Spooky20

Whenever a creature you control deals combat damage to a player, add that much {G}. Until end of turn, you don't lose this mana as steps and phases...

All Nightmares get +1/+1. {B}{B}{B}, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature i...

Gain control of all creatures target opponent controls until end of turn. Untap those creatures. They gain haste until end of turn. You can't attac...

Legendary creatures you control get +2/+1 and have ward {1}. Nonlegendary creatures you control get +1/+1.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Champion of the Parish.

Menace Whenever Rat King or another nontoken creature you control leaves the battlefield, create a 1/1 black Rat creature token. {2}, Sacrifice a t...

Roll a d20 and add the number of cards in your hand. 1—14 | Draw X cards. 15+ | Scry X, then draw X cards.

This spell costs {2} less to cast if a player's life total is less than or equal to half their starting life total. Destroy all creatures.

Spit Flame deals 4 damage to target creature. Whenever a Dragon enters the battlefield under your control, you may pay {R}. If you do, return Spit ...

Partner with Rocksteady, Mutant Marauder (When this creature enters, target player may put Rocksteady into their hand from their library, then shuf...

Flying Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on t...

This spell costs {1} less to cast for each artifact you control. When Emry, Lurker of the Loch enters the battlefield, mill four cards. {T}: Choose...

At the beginning of combat on your turn, Irma becomes a copy of up to one other target creature you control, except her name is Irma, Part-Time Mut...

Each player mills ten cards. For each player, choose a creature or planeswalker card in that player's graveyard. Put those cards onto the battlefie...

Convoke Flying When Hoarding Broodlord enters the battlefield, search your library for a card, exile it face down, then shuffle. For as long as tha...

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever a creature you control becomes the target of a spell, ta...

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Skrelv, Defector Mite can't block. {W/P}, {T}: Choose a color. An...

Equipped creature has deathtouch. Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up. Equip {3}

*(Invocations resolve flipped as an ally in the arena.)* **Transform** target ash you control into Vynserakai. *(Put the ash under him.)* **Go ag...

Contract - You are contracted to banish opponents' cards with cost 1 or less. Whenever you complete this contract, create a Silver token. When thi...

First strike, haste Symphony of Pain — Whenever you cast a spell from anywhere other than your hand, this creature deals damage equal to that spell...

Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell and you may choose a new tar...

You may cast up to two instant and/or sorcery spells with total mana value 6 or less from your graveyard and/or hand without paying their mana cost...