Spooky20

Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it w...

When Screeching Skaab enters the battlefield, mill two cards.

Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Profaner of the Dead exploits a creature, return to their ...

Flying Shacklegeist can block only creatures with flying. Tap two untapped Spirits you control: Tap target creature you don't control.

Flying

Target creature gets -4/-0 until end of turn. Investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.")

River Sneak can't be blocked. Whenever another Merfolk enters the battlefield under your control, River Sneak gets +1/+1 until end of turn.

Converge — Draw X cards, where X is the number of colors of mana spent to cast this spell. Then discard two cards.

Flash When Voracious Greatshark enters the battlefield, counter target artifact or creature spell.

When Octoprophet enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your libr...

Target opponent mills seven cards.

Flying

Whenever Scroll Thief deals combat damage to a player, draw a card.

Look at the top three cards of your library. Put one of those cards into your hand and the rest on the bottom of your library in any order. If this...

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flying Whenever another Spirit enters the battlefield under your control, Mausoleum Wanderer gets +1/+1 until end of turn. Sacrifice Mausoleum Wa...

Counter target noncreature spell.

Replicate {U}{R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Target c...

[+1]: Scry 1, then draw a card. [-2]: Return target creature to its owner's hand. [-8]: You get an emblem with "Whenever an opponent casts their ...

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying. {1}{U}, Sacrifice two artifacts: Draw a card.

Protection from everything If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library in...

Creatures you control with power or toughness 1 or less can't be blocked.

Heroic — Whenever you cast a spell that targets Triton Fortune Hunter, draw a card.

Bestow {5}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attache...