Boxing Day

Whenever Shinka Gatekeeper is dealt damage, it deals that much damage to you.

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

Whenever a player casts a spell, tap Ogre Recluse.

{1}{R}: Switch each creature's power and toughness until end of turn.

Whenever an opponent casts a Spirit or Arcane spell, Ishi-Ishi, Akki Crackshot deals 2 damage to that player.

Whenever you cast a Spirit or Arcane spell, Kami of Tattered Shoji gains flying until end of turn.

Goblin Cohort can't attack unless you've cast a creature spell this turn.

Sacrifice Frostling: It deals 1 damage to target creature.

Flying, first strike Soulshift 5 (When this creature dies, you may return target Spirit card with converted mana cost 5 or less from your graveyard...

Flying {2}, Return two lands you control to their owner's hand: Copy target instant or sorcery spell. You may choose new targets for the copy.

Flying, trample Whenever The Unspeakable deals combat damage to a player, you may return target Arcane card from your graveyard to your hand.

Flying Whenever you cast a Spirit or Arcane spell, you may tap or untap target creature.

When Student of Elements has flying, flip it.

Flying {4}, Return two lands you control to their owner's hand: Discard all the cards in your hand, then draw that many cards.

Flying {3}, Return a land you control to its owner's hand: Counter target spell unless its controller pays {3}.

Flying {3}, Return a land you control to its owner's hand: Target creature you control gains shroud until end of turn. (It can't be the target of s...

Flying {3}, Return three lands you control to their owner's hand: Return target creature to its owner's hand.

Flying {2}, Return a land you control to its owner's hand: Target creature with power 2 or less can't be blocked this turn.

Flying {2}, Return a land you control to its owner's hand: Draw a card, then discard a card.

Flying Whenever you cast a Spirit or Arcane spell, you may draw a card.

{1}{W}: Target permanent you control gains protection from white until end of turn. {1}: Target spell or permanent becomes white until end of turn.

Sacrifice Kami of Twisted Reflection: Return target creature you control to its owner's hand.