Boxing Day

({T}: Add {W}.) This land enters tapped unless you control three or more other Plains. When this land enters untapped, put a +1/+1 counter on targe...

Adamant — If at least three mana of the same color was spent to cast this spell, this creature enters with a +1/+1 counter on it.

When this artifact enters, draw a card. {1}, {T}, Sacrifice this artifact: Add one mana of any color. {2}, {T}, Sacrifice this artifact: You gain 3...

({T}: Add {W}.)

{2}: Target black creature gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)

Enchant creature As long as enchanted creature is white, it gets +1/+2. As long as enchanted creature is black, it gets +2/+1.

Sacrifice this creature: It deals 1 damage to target attacking or blocking creature.

Flying When this creature enters, draw a card if you've cast another blue spell this turn.

Destroy target land. You gain 2 life.

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

When this creature enters, return to your hand the creature card in your graveyard with the greatest power. If two or more cards are tied for great...

{T}: This creature deals 1 damage to target player or planeswalker. Whenever you cast a red spell, you may untap this creature.

Create two 1/1 white Kithkin Soldier creature tokens. Retrace (You may cast this card from your graveyard by discarding a land card in addition to ...

Whenever you cast a spell that's both red and white, this creature has base power and toughness 4/2 until end of turn and gains first strike until ...

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

{T}: Tap target creature. Whenever you cast a white spell, you may untap this creature.

{2}: Target white creature gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under it...

Sacrifice this creature: It deals damage equal to its power to target creature with flying. Persist (When this creature dies, if it had no -1/-1 co...

Emerge {5}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast t...

Vigilance

Target creature you control gets +3/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Enchant creature When this Aura enters, create a 2/2 green Wolf creature token. Enchanted creature gets +2/+2.

Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Transform up to one target Werewolf you control. Creatures you control gain trample until end of turn.