Setshifted

[void_nothing]

Elderleaf Sage 1G
Creature - Elf Druid
T, Pay 1 life: Add B or G.
Elderleaf Sage gets +1/+2 and has vigilance as long as there are three or more Elf cards in your graveyard.
2/1

Next:
Courier's Briefcase in Fifth Dawn
Pious Kitsune in Born of the Gods
Cold Snap in Modern Horizons 1

[folding_music]

Gong of the Vulshok
Artifact
When Gong of the Vulshok enters the battlefield, create a 1/1 red Berserker creature token for each color of mana spent to cast this spell.
, , Sacrifice Gong of the Vulshok: Scry 2.

Solar Lampad 2ww
Enchantment Creature - Fox Nymph
Inspired - Whenever Solar Lampad becomes untapped, put a devotion counter on Solar Lampad. If you control a creature named Heliod, God of the Sun, add two more of these counters.
, Sacrifice Solar Lampad: Gain life equal to your devotion to white plus the number of devotion counters on Solar Lampad.
3/3

next:
Cold Snap in MH1
Gaea's Liege in Amonkhet
Leyline Dowser in Legends, using old insane wording >:)

[lookingupanddown]

Essence of Endless Sands 2GG
Creature - Avatar
Vigilance
As long as Essence of Endless Sands isn't attacking, it gets +1/+1 for each Desert you control. As long as Gaea's Liege is attacking, it gets +1/+1 for each Desert defending player controls.
: Target land becomes a Desert until Essence of Endless Sands leaves the battlefield.
4/4

Next:
Celestial Sword in Future Sight
Dimir House Guard in Ikoria: Lair of Behemoth
Silverfur Partisan in Throne of Eldraine

[KB52665]

Celestial Sword 4
Artifact — Equipment
Equipped creature gets +3/+3 and has flying.
Whenever equipped creature attacks, sacrifice it at the end of combat, then you may return target creature card from your graveyard to the battlefield and attach Celestial Sword to it.
Equip ww

Chancellor of the Annex in Arabian Nights
Ophiomancer in Invasion
Rampaging Baloths in Mirrodin

[Indighost]

Progenitor Golem 6
Artifact Creature - Golem
Trample
Whenever a nontoken artifact enters the battlefield, or is put into a graveyard, put a charge counter on Progenitor Golem.
Remove three charge counters from Progenitor Golem: Create a 3/3 colorless Golem artifact creature token.
5/5

Next
Storm Crow in Kamigawa:Neon Dynasties
Monastery Swiftspear in Planar Chaos
Rumbleweed in Ikoria

[void_nothing]

Pathmaking Slagwurm 6GGG
Creature - Wurm
Affinity for artifacts
Vigilance, artifact landwalk
Whenever an artifact leaves the battlefield, create a 5/5 green Beast creature token.
In the wake of wurms, everything in the Tangle must follow.
10/10

Edit: Sarnathed!

Karasu Echo 1B
Enchantment Creature - Bird Ninja
Flying
Whenever Karasu Echo enters the battlefield during combat or is returned to its owner's hand from anywhere, create a 1/1 blue Ninja creature token with "This creature can't be blocked."
Ninjutsu B
Kanji magic turns the sound of crows in flight into something much deadlier,
1/2

Next:
Wall of Deceit in Murders at Karlov Manor
Ishkanah, Grafwidow in Alara Reborn
Ur-Drago in Dominaria United/DMU Commander (Legends Retold)

[lookingupanddown]

Discreet Phantasms 1U
Creature - Spirit Wall
Defender
3: Exile Discreet Phantasm and any number of face down creatures with disguise you control in a face-down pile, shuffle that pile, then cloak them.
Disguise 1U
0/4

Ur-Drago, Scarwood Abomination UBB
Legendary Creature - Elemental
Ward 2
At the beginning of your end step, if Ur-Drago, Scarwood Abomination didn't attack or enter the battlefield this turn, return it to your hand, then scry 3.
Whenever a creature dealt damage by Ur-Drago dies, put a +1/+1 counter on it.
5/5

Next:
Cold Snap in Modern Horizons
Glissa, the Traitor in Aether Revolt
Rukh Egg in Ravnica: City of Guilds

[folding_music]

I mean based on my impression of MH design, they'd do this to Cold Snap:

Seismic Snap 1r
Instant
Seismic Snap deals 2 damage to each player for each land they control with a nonbasic land type. (That's Desert, Lair, Locus, Snow, Urza's, etc.)
At the beginning of your upkeep, you may pay 2rrr. If you do, return Seismic Snap from your graveyard to your hand.

=P but less judgmentally,

The Aching Cold 1ww
Enchantment
Nonland permanents enter the battlefield tapped. Whenever one does, put a stun counter on it if was spent to cast it.
At the beginning of your upkeep, if a permanent hasn't entered the battlefield since the end of your last turn, sacrifice The Aching Cold unless you pay .

next:
Glissa, the Traitor in Aether Revolt, or
Rukh Egg in Ravnica: City of Guilds, or
Demon's Herald in Shadowmoor

[EsperCormorant]

Nameless Tombstone
Creature - Wall (R)
Defender (This creature can't attack)
When Nameless Tombstone dies, create a 3/3 blue and black Spirit creature token with flying at the beginning of the next end step.
Transmute (, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)
0/3
The Dimir left no reason for him to be remembered. He's eager for an opportunity to create some.

Next:
Lukka, Bound to Ruin in Eldritch Moon
Wall of Denial in Champions of Kamigawa
Longbow Archer in Ikoria: Lair of Behemoths

[lookingupanddown]

Army of Yomiji 1WW
Creature - Spirit Wall
Defender, flying
Whenever Army of Yomiji is targeted by a spell or ability, counter it unless an opponent chooses a Spirit creature card with toughness less than or equal to Army of Yomiji's toughness. You may put that creature card onto the battlefield tapped.
0/7

Watchtower Coppercoat WW
Creature - Human Archer
First strike
Watchtower Coppercoat may block non-Human creatures with flying as though it has flying.
The skies above Drannith are still under Coppercoat protection.
2/2

Next:
Dragonstorm in Dragons of Tarkir
Jace, the Living Guildpact in Dragon's Maze
Mardu Strike Leader in Apocalypse

[EsperCormorant]

Ineffable Tempest
Sorcery (U)
Search your library for a Dragon card and manifest it. If you control an Ugin planeswalker, you may repeat this process once.
Ugin's magic was something unique in the multiverse - a strange and roiling mix of infinite potential and featureless perfection.

Next:
Dowsing Dagger // Lost Vale in Innistrad
Badlands in Dominaria United
Incandescent Aria in Shadowmoor

[Sagharri]

Gravedigger's Shovel 2
Artifact - Equipment (R)
Equipped creature gets +2/+0.
Whenever equipped creature deals combat damage to a player, create a 2/2 black Zombie creature token. Then if you control three or more Zombies, transform Gravedigger's Shovel.
Equip 2
//
Corrupted Crypt
Land
(Transforms from Gravedigger's Shovel)
T, Sacrifice a creature: Add BBB.
After many nights of digging, the hideous rituals begin again.

Next:
Baneslayer Angel in Ikoria
Vandalblast in Kaladesh
Kaalia of the Vast in New Phyrexia

[EsperCormorant]

Glorywing Leosaur
Creature - Cat Bird Dinosaur (MR)
Mutate
Flying
Hexproof from Humans.
Whenever this creature mutates, put a lifelink counter and a first strike counter on a creature you control.
5/5

Fear in Kaldheim
Eldrazi Monument in Dissention
Splicer's Skill in Stronghold

[lookingupanddown]

Bones of the Old Gods 4
Legendary Artifact
Creatures you control get +1/+1 and have protection from multicolored.
At the beginning of your upkeep, sacrifice a monocolored permanent. If you can't, shuffle Bones of the Old Gods into your library, then draw two cards.

Next:
Fear in Kaldheim
Jace, the Living Guildpact in Dragon's Maze
Lukka, Bound to Ruin in Eldritch Moon

[Sagharri]

Lukka, Bound with Alpha 2RG
Planeswalker - Lukka (M)
Attacking creatures you control get +1/+0.
+1: You may create a legendary 3/3 green Wolf creature token named Alpha. If you don't, Lukka deals 1 damage to any target.
-1: Transform Lukka, Bound with Alpha.
3
//
Lukka, Broken by Emrakul
Planeswalker - Lukka
Devoid
Delirium - Whenever you attack, if there are four or more card types among cards in your graveyard, double target creature's power and toughness until end of turn.
+1: Mill the top three cards of your library. You may return a creature or land card milled this way to your hand.
0: Reveal a creature card from your hand. It gains emerge until end of turn. The emerge cost is equal to its mana cost.

Next:
Grim Lavamancer in Amonkhet
Celestial Kirin in Shadowmoor
Tibalt, the Fiend-Blooded in Streets of New Capenna

[EsperCormorant]

Hategallop
Creature - Elemental (R)
Flying
Whenever you cast a spell, destroy all creatures that share a color with that spell.
4/4

Next:
Ink-Treader Nephilim in Strixhaven: School of Mages
Tainted Adversary in Outlaws of Thunder Juncton
Oko, the Trickster in Betrayers of Kamigawa

[lookingupanddown]

Mirrorweave Titan UURR
Creature - Elemental
Whenever a player casts an instant or sorcery spell, if that spell targets only Mirrorweave Titan, copy the spell for each other creature that spell could target. Each copy targets a different one of those creatures.
Some of the biggest mistakes created by students turn out to be the most useful later on.
4/4

Next:
Fear in Kaldheim
Karona, False God in Lorwyn
Silverfur Partisan in Throne of Eldraine

[Sagharri]

Smoldering Rune 2B
Enchantment - Aura (U)
Enchant permanent
When Smoldering Rune enters the battlefield, target opponent discards a card.
As long as enchanted permanent is a creature, it has fear.
As long as enchanted permanent is an Equipment, it has "Equipped creature has fear."
"Demonic runes from Immersturm are easy to recognize. They are like scars to the world."

Next:
Horobi, Death's Wail in Innistrad
Puresteel Paladin in Ikoria
Mirran Safehouse in Amonkhet

[EsperCormorant]

Crystalflow Tortoise
Creature - Elemental Turtle
Whenever a counter is placed on one or more creatures you control, draw a card. This ability triggers only once per turn.
As long as there are five or more counters among creatures you control, you may pay rather than pay the mana cost of mutate abilities.
Its shell remains as little more than a syrupy coating of dissolved crystal. Occasionally, thrumming structures condense out of the liquid.
1/3

Next:
Slith Predator in Innistrad:Crimson Vow
Duneblast in Aether Revolt
Merchant Ship in Dominaria United

[lookingupanddown]

Falkenrath Berserker 2R
Creature - Vampire Berserker (Uncommon)
Trample
Whenever Falkenrath Berserker deals combat damage to a player, put a +1/+1 counter on it.
"All this decadence is a lie. Blood is blood, and I will take what I want."
2/2

Jodah's Skyship 2W
Artifact - Vehicle
Flying
Domain—Whenever Jodah's Skyship deals combat damage to a player, you gain life equal to the number of basic land types among lands you control.
Crew 2. This Vehicle cannot be crewed if you control no basic lands.
Jodah had the ships commissioned to ferry warriors and civilians alike to and from Phyrexian skirmishes. They're built to follow leylines from one place to another.
4/4

Next:
Dimir House Guard in Ikoria
Mardu Strike Leader in Apocalypse
Rukh Egg in Ravnica: City of Guilds Silverfur Partisan in Throne of Eldraine

[EsperCormorant]

Rukh Egg in Ravnica: City of Guilds

(we already did Rukh Egg in city of guilds, right? maybe change that one?)

[Sagharri]

Transmucus Wanderer 2B
Creature - Crab Snail (R)
Mutate 1BB
Menace
Whenever this creature mutates, discard a card. If you do, search your library for a card with the same mana value as this creature, reveal it, put it into your hand, then shuffle.
"Always remember to keep away from it and its foul trail."
—Kelsien, the Plague
1/4

Next:
Slave of Bolas in March of the Machines
Nightmare in Amonkhet
Parhelion II in The Lost Caverns of Ixalan

[EsperCormorant]

Daretti's Claim
Sorcery
Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. At the beginning of the next end step, sacrifice it and create a treasure token.
"Just let me tear out everything that seems useful, then we'll throw the rest back into their faces. ...wait, do these guys even have faces?"

Soramaro, First to Dream in Scars of Mirrodin
Ordeal of Nylea in Adventures in the Forgotten Realms
Braid of Fire in Lorwyn

[lookingupanddown]

Il-Miroz the Consecrated 2UUU
Legendary Creature - Phyrexian Sphinx
Flying
Il-Miroz the Consecrated gets +1/+1 for each card in your hand,
1UU, Return an artifact or another Phyrexian to your hand: The next time an opponent would draw a card, you draw twice that many cards instead.
0/0

Next:
Glissa, the Traitor in Aether Revolt
Horobi, Death's Wail in Innistrad
Karona, False God in Lorwyn

[EsperCormorant]

(so I really wanted to keep Horobi black and a spirit, but Innistradi spirits are universally blue/white but turns out they were doing cross-color transform as early as the first set, with Civilized Scholar // Homicidal Brute and Cloistered Youth // Unholy Fiend, so that solved the issue real neatly)

Chanting Cultist
Creature - Human Cleric (R)
: Chanting Cultist deals 1 damage to target creature or player. You gain 1 life.
When you sacrifice Chanting Cultist, exile it, then return it to the battlefield transformed.
2/2
Unbeknowst to him, he'd keep up the chant for the rest of his life.
//
Wailing Geist
(blue) Creature - Spirit
Flying
Whenever a creature becomes the target of a spell or ability, destroy it.
3/3
Death, too, failed to bring quiet.

Next:
Esperzoa in Battle for Zendikar
Ugin's Construct in Shadowmoor
Meria, Scholar of Antiquity in Mercadian Masques