The "I Don't Like You" Game

[dyd]

Jeskai Warden 2urw
Creature - Human Monk
Cascade
Haste
You and non-creature permanents you control have hexproof.
3/2

[void_nothing]

Reversing Flux 1UR
Instant
Exile target spell with cascade or that was cast with a cascade ability.
Cascade

[Krishnath]

Traditional Spellslinging WU
Enchantment (Rare)
Whenever a spell is cast from anywhere but its owner's hand, exile that spell instead of resolving it.

SPOILER

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It kills, among other things: Cascade, Madness, Flashback, creatures on adventures, Rebound and Unearth.

[dyd]

Silencer of Progress 2gw
Creature - Faerie
Flying
As long as it's your turn, non-creature artifacts and enchantments lose all abilities except for enchant abilities.
"Stop playing with those trinkets. Enjoy your fellows' company instead."
3/3

[Krishnath]

Venus Faerietrap 1GG
Creature - Plant (Rare)
Defender
1G, T: Destroy target Faerie creature with flying.
3/4

[void_nothing]

Glen Elendra Robber 2UB
Creature - Faerie Rogue
Flash
Flying
2U: Change a target of target spell or ability to Glen Elendra Robber.
2B: Regenerate Glen Elendra Robber.
2/4

[dyd]

Discriminatory Rule 1w
Enchantment
As ~ enters the battlefield, choose a creature type. Activated abilities of creatures with the chosen type can't be activated.
4ww: Return ~ to its owner's hand.

[Krishnath]

Disrupt Runes 1U
Instant (Uncommon)
Counter target artifact or enchantment spell. If a spell would be countered in this way, exile it instead of putting it into its owner's graveyard.

[FoilSquared]

Relic Recoverer
Creature - Human (U)
Flash
When Relic Recoverer enters the battlefield, return target face up artifact or enchantment card from exile to your graveyard
2/1

[dyd]

Nullmancer 3wb
Creature - Mouse Wizard
Cards in exile and cards in graveyards can't change zones.
When ~ enters the battlefield, you may exile target creature or planeswalker until ~ leaves the battlefield.
2/5

[FoilSquared]

Torn Asunder
Sorcery
Destroy target creature with toughness 4 or greater.

[dyd]

Estrid's Mastery 4ww
Sorcery
For each creature and planeswalker you control, create a white Aura enchantment token named Mask attached to that permanent. The tokens have enchant permanent and totem armor.

[JovialJovian]

Essence Collapse 3WW
Instant
Each player sacrifices all enchanted permanents they control, then creates a Treasure for each aura they control attached to a permanent sacrificed this way.

[crapskidoo]

Bane of Progress 4GG
Creature - Elemental (R)
When Bane of Progress enters the battlefield, destroy all artifacts and enchantments. Put a +1/+1 counter on Bane of Progress for each permanent destroyed this way.
2/2

[dyd]

Chapel of Silence 3w
Artifact
Permanents entering the battlefield don't cause abilities to trigger.
5www, t, Sacrifice ~: Exile up to eight target permanents, then return them to the battlefield under their owner's control.

[void_nothing]

Bane of Progress: Already a thing. I'm going to ask that nobody just knowingly copies and pastes existing cards, for anyone who didn't realize that wasn't allowed.

Agony of Unnatural Existence G
Legendary Enchantment
Activated abilities of colored noncreature artifacts and colorless nonartifact creatures can't be activated.
2WB, Sacrifice Agony of Unnatural Existence: Destroy target nonland permanent.

[dyd]

Darksteel Diapason 3
Legendary Artifact
Indestructible
5, t: Copy target instant or sorcery spell. You may choose new targets for the copy.
7, t: Create a token that's a copy of target permanent, except it's an artifact in addition to its other types.

[void_nothing]

Carver's Charm R
Instant
Choose one -
• All permanents lose indestructible until end of turn.
• Tap target land. Carver's Charm deals 1 damage to that land's controller.
• Gain control of target token artifact.

[JovialJovian]

Wrong Choice UR
Instant
Gain control of up to one target modal spell. You may choose new mode(s) and target(s) for that spell. ~ deals damage to you equal to that spell's converted mana cost.
Fateseal 2

[dyd]

Teferi's Lunch Box 3
Artifact - Food
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Spells you cast have split second.
2, t, Sacrifice ~: You gain 3 life.
"If there's one thing I can't suffer is being interrupted during my meal."

[void_nothing]

Twisted Furzefolk 1GU
Creature - Elf Plant
Whenever an opponent casts an artifact spell, you may exile Twisted Furzefolk and that spell.
1GU: Twisted Furzefolk gains your choice of hexproof or vigilance until end of turn.
4/2

[dyd]

Half-Blood Slaughter 2bb
Sorcery
Put on each creature a number of -1/-1 counters equal to the number of its creature types, up to 13.

[spacemonaut]

Mycosynth Aberration XBG
Creature — Hydra Beast Horror
Trample
Mycosynth Aberration enters the battlefield with X +1/+1 counters on it.
If a -1/-1 counter would be put on a creature you control, instead that many +1/+1 counters are put on that creature.
0/0

(Technically also combos well with the card if you're the one playing it, come to think of it, but anyway...)

[void_nothing]

Vis Conversion 3UB
Instant
Remove all +1/+1 counters from target creature, then draw that many cards.
Cycling {U/B}

[dyd]

Obscurer of Forms 1u
Creature - Shapeshifter
Evolve
Each creature you control with a +1/+1 counter on it has hexproof from non-permanents (This creature can't be the target of spells or abilities your opponents control, except abilities of permanents.).
1/4