Boxing Day

Sacrifice Suicidal Charge: Creatures your opponents control get -1/-1 until end of turn. Those creatures attack this turn if able.

Flying When Sphinx Summoner enters the battlefield, you may search your library for an artifact creature card, reveal it, and put it into your hand...

Whenever another artifact enters the battlefield under your control or another artifact you control leaves the battlefield, you may pay {1}. If you...

Vigilance {T}: Reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand.

Sacrifice a creature: Put a +1/+1 counter on Scarland Thrinax.

Trample At the beginning of your upkeep, if you control a blue permanent, you may create a token that's a copy of Mirror-Sigil Sergeant.

Vigilance, trample Whenever Meglonoth blocks a creature, Meglonoth deals damage to that creature's controller equal to Meglonoth's power.

Flying When Malfegor enters the battlefield, discard your hand. Each opponent sacrifices a creature for each card discarded this way.

{1}, {T}: Add {R}{G}{W}.

{T}: Prevent the next 1 damage that would be dealt to any target this turn. {T}: Target creature can't be blocked this turn.

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 coun...

Protection from white

Domain — Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle your library. Exploding Borders deals X...

Flying

Enchant creature Enchanted creature gets +3/+3 and has flying. Whenever enchanted creature deals damage to a player, that player discards two cards.

Counter target noncreature spell. Its controller loses 2 life.

Trample Whenever Charnelhoard Wurm deals damage to an opponent, you may return target card from your graveyard to your hand.

Flying {1}{G}{U}: Creatures you control gain shroud until end of turn. (They can't be the targets of spells or abilities.)

Flying, trample At the beginning of your upkeep, each player loses 1 life. Put a +1/+1 counter on Blood Tyrant for each 1 life lost this way. Whene...

Domain — {3}: Wandering Goblins gets +1/+0 until end of turn for each basic land type among lands you control.

Flying Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/...

This spell can't be countered. Volcanic Fallout deals 2 damage to each creature and each player.

Double strike {B}{G}: Viashino Slaughtermaster gets +1/+1 until end of turn. Activate only once each turn.