Boxing Day

Haste Thunderblust has trample as long as it has a -1/-1 counter on it. Persist (When this creature dies, if it had no -1/-1 counters on it, retu...

{2}: Draw a card if you have no cards in hand.

Search target player's library for up to X cards, where X is the number of Swamps you control, and exile them. Then that player shuffles.

When Endless Horizons enters the battlefield, search your library for any number of Plains cards, exile them, then shuffle. At the beginning of you...

Flying Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever Needle Specter deals combat damage to a player, that player ...

Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls with a -1/-1 counter on it dies, yo...

Change the text of target spell or permanent by replacing all instances of one color word with another. Retrace (You may cast this card from your g...

Sturdy Hatchling enters the battlefield with four -1/-1 counters on it. {G/U}: Sturdy Hatchling gains shroud until end of turn. (It can't be the t...

Create a token that's a copy of target creature. Retrace (You may cast this card from your graveyard by discarding a land card in addition to payi...

Until end of turn, target creature loses all abilities and becomes a green Snake with base power and toughness 1/1. Draw a card.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Flying {W/B}{W/B}{W/B}: Regenerate target creature.

Whenever you cast a spell that's both green and blue, Shorecrasher Mimic has base power and toughness 5/3 until end of turn and gains trample until...

Other black creatures you control get +1/+1. Other green creatures you control get +1/+1. At the beginning of your upkeep, you may create a 1/1 bla...

If {B} was spent to cast this spell, you may have target creature get -3/-3 until end of turn. If {G} was spent to cast this spell, you may have ta...

As Canker Abomination enters the battlefield, choose an opponent. Canker Abomination enters the battlefield with a -1/-1 counter on it for each cre...

Creatures your opponents control get -1/-0 until end of turn if {U} was spent to cast this spell, and creatures you control get +1/+0 until end of ...

{U/R}: Stream Hopper gains flying until end of turn.

{2}{G/U}, {Q}: Double the number of each kind of counter on target permanent. ({Q} is the untap symbol.)

Enchant creature As long as enchanted creature is green, it gets +1/+1 and has vigilance. As long as enchanted creature is blue, it gets +1/+1 and ...

Whenever you cast a green spell, you may create a 2/2 green Wolf creature token. Whenever you cast a blue spell, you may create a 1/1 blue Bird cre...

Chroma — When Springjack Shepherd enters the battlefield, create a 0/1 white Goat creature token for each white mana symbol in the mana costs of pe...

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Whenever Cold-Eyed Selkie deals combat damage to a pla...

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase. Retra...