Boxing Day

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

You may play an additional land this turn. Draw a card.

Whenever a creature you control dies, put X +1/+1 counters on target creature you control, where X is the power of the creature that died.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuf...

If you would draw a card, you may instead choose land or nonland and reveal cards from the top of your library until you reveal a card of the chose...

Whenever a creature you control enters, it deals damage equal to its power to any target.

Starstorm deals X damage to each creature. Cycling {3} ({3}, Discard this card: Draw a card.)

Copy target instant or sorcery spell. You may choose new targets for the copy.

Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. Flashback {4}{R} (...

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it ont...

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

All creatures get -1/-1 until end of turn for each Swamp you control.

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way on...

Destroy target nonartifact creature.

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyar...

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters, create that many tokens that a...

Trample Mark of Chaos Ascendant — During your turn, spells you cast from your hand with mana value X or less have cascade, where X is the total amo...

Target creature gets -1/-1 until end of turn for each Swamp you control.

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way. Cycling {3}{B}{B} ({3}{B}{B}, Discard this card...

Prevent all combat damage that would be dealt this turn.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Defender Spore Chimney — When this crea...