Boxing Day

Destroy target creature. It can't be regenerated.

Enchant creature Enchanted creature has lifelink and "Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature." (Damag...

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color....

Enchant creature Enchanted creature gets -1/-1 and can't block.

Lifelink

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color....

Enchant land Enchanted land has "{T}: Target player loses 3 life."

{1}{B}, Sacrifice another creature: Put a +1/+1 counter on Blood Host and you gain 2 life.

When Black Cat dies, target opponent discards a card at random.

Defender Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step.

Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) All lands are Islands in addition to their other types...

Dauntless River Marshal gets +1/+1 as long as you control an Island. {3}{U}: Tap target creature.

Counter target spell. If you control a blue creature, draw a card, then discard a card.

Flying {5}{U}{U}: Draw a card for each color among permanents you control. {5}{U}{U}, Exile Soul of Ravnica from your graveyard: Draw a card for ea...

Flash (You may cast this spell any time you could cast an instant.) Flying When Quickling enters the battlefield, sacrifice it unless you return ...

Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Return target creature you control and target creature you don't control to their owners' hands.

Counter target noncreature spell.

Target opponent mills seven cards.

Sliver creatures you control have "When this creature enters the battlefield, you may exile target creature an opponent controls until this creatur...

You may have Mercurial Pretender enter the battlefield as a copy of a creature you control, except it has "{2}{U}{U}: Return this creature to its o...

Flying Whenever Master of Predicaments deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana va...