MTG

Whenever Ogre Marauder attacks, it gains "Ogre Marauder can't be blocked" until end of turn unless defending player sacrifices a creature.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Faithful Squire. At the beginning of the end step, if there are two or more...

Flying At the beginning of your upkeep, sacrifice Chisei, Heart of Oceans unless you remove a counter from a permanent you control.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Callow Jushi. At the beginning of the end step, if there are two or more ki...

Whenever a legendary permanent other than Yomiji, Who Bars the Way is put into a graveyard from the battlefield, return that card to its owner's hand.

Sacrifice Nezumi Shadow-Watcher: Destroy target Ninja.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Waxmane Baku. {1}, Remove X ki counters from Waxmane Baku: Tap X target cre...

Enchant creature You control enchanted creature. At the beginning of the end step, if you control no Demons, sacrifice Mark of the Oni.

Whenever you cast a Spirit or Arcane spell, target opponent exiles a card from their hand.

Exile target nonblack creature. Search its controller's graveyard, hand, and library for all cards with the same name as that creature and exile th...

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Soulshift 5 (When this creature dies, you may return ta...

As an additional cost to cast this spell, sacrifice a creature. Target creature gets -X/-X until end of turn, where X is the sacrificed creature's...

Flash Enchant creature At the beginning of your upkeep, you lose 1 life. {0}: Regenerate enchanted creature.

Sacrifice Bile Urchin: Target player loses 1 life.

Destroy target attacking creature with power 3 or less.

Enchant Island {2}: Enchanted Island becomes a 3/2 blue Spirit creature with flying until end of turn. It's still a land. When enchanted Island i...

Fox offering (You may cast this card any time you could cast an instant by sacrificing a Fox and paying the difference in mana costs between this a...

Flying {2}, Return a land you control to its owner's hand: Tap target land.

You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost. Counter target spell if its mana value is X.

Flying Whenever you cast a Spirit or Arcane spell, create a 3/3 white Spirit creature token with flying.

At the beginning of each player's upkeep, that player adds {G}{G}{G}. Until end of turn, they don't lose this mana as steps and phases end.

Whenever you cast a Spirit or Arcane spell, Scaled Hulk gets +2/+2 until end of turn.

At the beginning of your upkeep, add {G}. Until end of turn, you don't lose this mana as steps and phases end.

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...