netn10, void_nothing

Seer's Epiphany 2R
Enchantment (R)
Play with the top card of your library revealed.
You may play lands and cast spells from the top of your library.
At the beginning of the end step, sacrifice ~.

Raptorchan, Rithaniel

Wrenn and Icepine 1GU
Snow Planeswalker - Wrenn (R)
At the beginning of your end step, if a snow permanent entered the battlefield under your control this turn, draw a card.
+1: Add one mana of any color.
-1: Return another target permanent you own to its owner's hand.
2

Rithaniel, Raptorchan

HM: void_nothing

Aether Rootwalla 1G
Creature - Troll Druid (R)
1: ~ gets +1/+1 until end of turn. Activate only once each turn.
Spells you control have ward X, where X is ~'s toughness.
2/1

void_nothing, Rithaniel Flamebright Confidant 1R Creature - Human Wizard (R) At the beginning of your upkeep, look at the top card of your library. If it doesn't share a card type with any card exiled with ~, you may exile it. Sacrifice ~: Until the end of your next turn, you may play cards exiled w...

emily, netn10

Northaven Station
Snow Land (U)
T: Add C.
T, Sacrifice ~: Search your library for a snow land card, reveal it and put it into your hand, then shuffle your library.

emily, Rithaniel

Mining Town
Land (U)
~ enters the battlefield tapped.
T, Mill a card: Add C.
T, Exile a card from your graveyard: Add one mana of any color.

emily, void_nothing (although I think it's cleaner if the first ability is "the next artifact or creature spell you cast this turn") HM: Rithaniel Automated Assistant 2 Artifact Creature - Construct (R) All spells with mana value 2 or greater cost 1 less to cast. ~ gets +3/+0 if three or m...

Rithaniel, emily

Ordruun Enforcer 3WR
Creature - Minotaur Soldier (R)
Flash
Trample
When ~ enters the battlefield, it deals 3 damage to up to one target creature. When that creature would die this turn while ~ is on the battlefield, instead exile that creature until ~ leaves the battlefield.
3/3

emily, netn10 HM: Rithaniel (love the idea but the number of different ways you can use X is a bit confusing IMO, and I think there are enough ways that are relatively mechanically distinct but allow it to be a bit less confusing for a similar concept) (split card) Swell XG Instant (U) Target creatu...

netn10, Apellosine

Trigger Trap 4W
Enchantment (U)
Flash
~ costs X less to cast, where X is the damage dealt by sources your opponents control this turn.
When ~ enters the battlefield, exile target creature until ~ leaves the battlefield.

void_nothing, Rithaniel

Flamekin Spark 1R
Creature - Elemental Shaman (C)
Haste
When ~ enters the battlefield, you may discard any number of cards. Search your library for that many cards named ~, reveal them and put them into your hand. Then, shuffle.
2/1

void_nothing, netn10

Molding Vessel 2
Artifact (R)
Whenever an artifact enters the battlefield under your control, you may have ~ become a copy of that artifact until end of turn.

Raptorchan, netn10 Riria: I could be wrong but I'm fairly sure that this doesn't work the way it seems like you want it, where the first spell can give you a discount on the second. Aftermath might be a better way to make this effect work. Teferi's Prism 4 Artifact (R) When ~ enters the battlefield ...

RIria, void_nothing The Battle of Malakir 1B Legendary Battle - Encounter (R) (Any player may attack an encounter. When it's defeated, its owner sacrifices it.) When ~ enters the battlefield, each player creates a 2/2 black Vampire creature token. At the beginning of each player's end step, that pla...

bravelion83, netn10 The Battle of Halimar 2U Legendary Battle - Encounter (U) (Any player may attack an encounter. When it's defeated, its owner sacrifices it.) When ~ enters the battlefield, each player returns a permanent they control to its owner's hand. Whenever a source deals damage to ~, its c...

netn10, Rithaniel

Soul Vice 1
Artifact (R)
T: Exile target card from a graveyard for as long as you control ~.
Sacrifice ~: Exile target card from a graveyard, then draw a card.

AnotherAlias, Rithaniel

Trick the Dragon U
Instant (R)
Choose one --
-Counter target spell with mana value 6 or greater.
-Return target permanent with mana value 6 or greater to its owner's hand.

bravelion83, Komandon

Squall Krassis 3GU
Creature - Fish Elemental (R)
Flash
Flying
When ~ enters the battlefield, scry 2, then draw a card.
You may cast creature spells as though they had flash.
2/2

Conspiracy Theorist 1UU Creature — Cephalid Rogue (R) When Conspiracy Theorist enters the battlefield or attacks, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.) When Conspiracy Theorist dies, draw a card for each +1/+1 counter...

netn10, bravelion83 Sustained Assault 4RW Sorcery (R) You may exile a red card and a white card from your hand rather than pay ~'s mana cost. Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn. After your second main phase this turn, there is an additi...

Raptorchan, Komandon

Overclock 2UR
Sorcery (R)
You may exile a blue card and a red card from your hand rather than pay ~'s mana cost.
Scry 3, then exile the top 3 cards of your library. You may play the exiled cards this turn.

AnotherAlias, Raptorchan

Svogthos Gargoyle 4BG
Creature - Gargoyle (R)
You may exile a black card and a green card from your hand rather than pay ~'s mana cost.
Indestructible
~ gets +1/+1 for each land you control and -1/-1 for each card in your hand.
0/0

bravelion83, raptorchan Basilica Lich 3WB Enchantment (R) You may exile a white card and a black card from your hand rather than pay ~'s mana cost. At the beginning of your upkeep, you lose 2 life unless you discard a card. Whenever you would lose life, you may exile cards from your graveyard equal ...

Raptorchan, bravelion83 Teferi's Hidden Puzzle 1 Artifact (U) When ~ is put into a graveyard from the battlefield, investigate. When ~ is put into a graveyard from your hand, draw a card. When ~ is put into a graveyard from your library, you may exile it. If you do, put another card from your gravey...

netn10, Riria

Reject Tradition 1U
Instant (U)
Return target spell to its owner's hand. Counter that spell instead if it's historic. (Artifacts, legendaries, and Sagas are historic.)
Scry 2