Boxing Day

Rockslide Ambush deals damage to target creature equal to the number of Mountains you control.

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

Return target sorcery card from your graveyard to your hand.

Search your library for a Plains, Island, Swamp, Mountain, or Forest card and put that card onto the battlefield. Then shuffle.

You gain 8 life.

Stolen Grain deals 5 damage to target opponent or planeswalker. You gain 5 life.

Destroy target land.

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

All creatures able to block target creature this turn do so.

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Destroy target creature with horsemanship.

Destroy target tapped creature.

Creatures you control get +1/+1 until end of turn.

Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

Target creature gets +4/+4 until end of turn.

Create two 1/1 red Goblin creature tokens.

Choose up to one target creature, then airbend all other creatures. (Exile them. While each one is exiled, its owner may cast it for {2} rather tha...

Each creature with mana value X or less loses all abilities until end of turn. Destroy those creatures.

As an additional cost to cast this spell, waterbend {X}. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one...

As an additional cost to cast this spell, you may waterbend {10}. You control target opponent during their next combat phase. If this spell's addit...

Each creature you control gains firebending 5 until end of turn. (Whenever it attacks, add {R}{R}{R}{R}{R}. This mana lasts until end of combat.) F...

As an additional cost to cast this spell, you may waterbend {6}. (While paying a waterbend cost, you can tap your artifacts and creatures to help. ...

Create X 1/1 white Ally creature tokens, then put a +1/+1 counter on each creature you control.

Suspend 4—{1}{R} (Rather than cast this card from your hand, pay {1}{R} and exile it with four time counters on it. At the beginning of your upkeep...