Spooky20

Exile target spell, then roll a d20 and add that spell's mana value. 1—14 | You may cast the exiled card for as long as it remains exiled, and you ...

Flash Flying Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Overcharged Amalgam exploits a creature, count...

Dominate Monster — When Mind Flayer enters the battlefield, gain control of target creature for as long as you control Mind Flayer.

If Leyline of Anticipation is in your opening hand, you may begin the game with it on the battlefield. You may cast spells as though they had flash.

Flying When Keiga, the Tide Star dies, gain control of target creature.

Flash This spell can't be countered. Whenever you cast a spell, choose up to one — • Return target spell you don't control to its owner's hand. • R...

Whenever a creature you control becomes blocked, you may return it to its owner's hand. Whenever one or more creatures you control deal combat dama...

Each opponent mills fourteen cards. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.) When you cycle Fractured Sanity, each opponent mills f...

Skulk (This creature can't be blocked by creatures with greater power.) At the beginning of your upkeep, you may discard all the cards in your hand...

Whenever you cast an instant or sorcery spell from your hand, you may cast up to one target card of the other type from your graveyard. If a spell ...

Target player gains control of up to three target nonattacking creatures until end of turn. Untap those creatures. They block this turn if able.

Whenever a permanent deals damage to you, return it to its owner's hand.

Enchant player Whenever enchanted player is attacked, you draw a card. Each opponent attacking that player does the same.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Whenever you draw a card, put a +1/+1 counter on Chasm Skulker. When Chasm Skulker dies, create X 1/1 blue Squid creature tokens with islandwalk, w...

Return six target nonland permanents to their owners' hands.

Instant and sorcery spells you cast cost {1} less to cast for each time you've cast a commander from the command zone this game.

Instant and sorcery spells you cast cost {1} less to cast for each time you've cast a commander from the command zone this game.

For each opponent, you create a token that's a copy of up to one target creature that player controls.

For each opponent, you create a token that's a copy of up to one target creature that player controls.

Commander creatures you own have "Room abilities of dungeons you own trigger an additional time."

Replicate—Tap an untapped Horror you control. (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targ...

Flash You may have Mocking Doppelganger enter the battlefield as a copy of a creature an opponent controls, except it has "Other creatures with the...

Enchant creature you control At the beginning of your upkeep, create a token that's a copy of enchanted creature, except the token is 1/1. When enc...