Spooky20

Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls.

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, each opponent loses 1 life.

Flash Spells with flash you cast cost {1} less to cast and can't be countered.

At the beginning of your upkeep, look at the top card of your library. You may put that card into your graveyard. Exile a card from your graveyard:...

Legendary Humans you control have indestructible. {2}{W}{B}: Exile target card from a graveyard. If it was a creature card, create a 1/1 white Huma...

Exile target creature. If you don't control a Human, you lose life equal to that creature's toughness.

Mutate {2}{B/G}{B/G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the crea...

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, each opponent loses 1 life.

Enchant creature you control When Aspect of Lamprey enters the battlefield, target opponent discards two cards. Enchanted creature has lifelink.

Flash Whenever Appendage Amalgam attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Flying Whenever another nontoken creature you control dies, you may exile it. If you do, create a token that's a copy of that creature, except it's...

Put up to three target cards from an opponent's graveyard on top of their library in any order.

Flash Whenever Appendage Amalgam attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Flying If a creature you control that entered this turn would deal damage, it deals twice that much damage instead.

Lifelink When this creature enters, search your library for a black card, a green card, and a blue card. Put those cards into your graveyard, then ...

{T}, Sacrifice a creature you control with mana value X other than Sidisi: Return target creature card with mana value X plus 1 from your graveyard...

Creature spells you cast cost {2} less to cast. Whenever a creature you control enters, if you cast it, destroy that creature, then create a 2/2 bl...

Enchant player Enchanted player can't gain life. Whenever enchanted player is dealt damage, they lose half their life, rounded up.

At the beginning of your upkeep, any opponent may sacrifice a creature. If no one does, transform Innocent Traveler.

Other snow and Zombie creatures you control get +1/+1. {S}{S}{S}: Return Narfi, Betrayer King from your graveyard to the battlefield tapped. ({S} c...

Menace (This creature can't be blocked except by two or more creatures.) When Harald, King of Skemfar enters the battlefield, look at the top five ...

Flying, lifelink Whenever you cast your second spell each turn, look at the top three cards of your library. Put one of them into your hand and the...

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) Th...

Enchant player Enchanted player can't gain life. Whenever enchanted player is dealt damage, they lose half their life, rounded up.