Boxing Day

Flying {R}: This creature gets +1/+0 until end of turn.

Flying Vigilance (Attacking doesn't cause this creature to tap.)

Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever a creature dealt damage by this creature this turn dies,...

Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of S...

Flying {2}{U}: Tap target creature with flying.

Haste {R}, {T}: Exile target instant or sorcery card from your graveyard. {1}{R}, {T}, Sacrifice this creature: Cast any number of cards exiled wit...

Flying As Iona enters, choose a color. Your opponents can't cast spells of the chosen color.

Flying Whenever this creature deals damage, you gain that much life. Morph {2}{W}{W} (You may cast this card face down as a 2/2 creature for {3}. T...

Flying, vigilance, indestructible Other permanents you control have indestructible.

Flying As this creature enters, each player chooses war or peace. Creatures controlled by players who chose war get +3/+0. Creatures controlled by ...

Flying, first strike, vigilance, trample, haste, protection from black and from red

This spell can't be countered. Flying, trample, protection from white and from blue {R}: Akroma gets +1/+0 until end of turn. Morph {3}{R}{R}{R} (Y...

Flying {T}: Destroy target creature. It can't be regenerated.

Whenever another creature dies, you may put X +1/+1 counters on Kresh, where X is that creature's power.

{4}{B}: Combine this card from your graveyard with target host. {2}{B}, Exile a creature card from your graveyard: Augment {4}{B} ({4}{B}, Reveal t...

As long as X is in X's owner's opponent's hand, X's owner may cast X and activate X's abilities. That opponent can't cast X and plays with their ha...

When this creature enters, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Reach Whenever you roll a 4 or higher on a die, put a +1/+1 counter on this creature. {6}: Roll a six-sided die.

{3}{G}{W}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.) As long as this creature is monst...

When this creature enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Defender You may tap an untapped Wall you control to have any player reroll a die that player rolled.

When this creature enters, put a +1/+1 counter on target creature.

Triple strike (This creature deals first-strike, regular, and last-strike combat damage.)

{2}{B/R}{B/R}, {T}: Roll a six-sided die. Create a number of 1/1 red Brainiac creature tokens equal to the result. Tap three untapped Brainiacs you...