Boxing Day

Soaring Seacliff enters the battlefield tapped. When Soaring Seacliff enters the battlefield, target creature gains flying until end of turn. {T}: ...

Piranha Marsh enters the battlefield tapped. When Piranha Marsh enters the battlefield, target player loses 1 life. {T}: Add {B}.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped crea...

When Inspired Inventor enters the battlefield, choose one — • You get {E}{E}{E} (three energy counters). • Put a +1/+1 counter on target creature. ...

Flash Enchant creature As long as another player controls enchanted creature, it can't attack or block. Otherwise, Dog Umbra has umbra armor. (If e...

Whenever Marching Duodrone attacks, each player creates a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any...

Sacrifice Children of Korlis: You gain life equal to the life you've lost this turn. (Damage causes loss of life.)

Slippery Karst enters the battlefield tapped. {T}: Add {G}. Cycling {2} ({2}, Discard this card: Draw a card.)

Cloudpost enters the battlefield tapped. {T}: Add {C} for each Locus on the battlefield.

Sacrifice Welding Jar: Regenerate target artifact.

Flash Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) {T}: Target creature gets +1/+0 until end of turn.

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Whenever a land enters the battlefield under your control, create a 1/1 green Saproling creature token.

Sliver creatures you control have trample. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

Target creature gets +3/+3 until end of turn.

As an additional cost to cast this spell, discard a card. Draw two cards.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Enchant creature When Scourgemark enters the battlefield, draw a card. Enchanted creature gets +1/+0.

Enchant creature When Grisly Transformation enters the battlefield, draw a card. Enchanted creature has intimidate. (It can't be blocked except by ...

Target creature you control gains protection from creatures your opponents control until end of turn. Untap it.

Flying Heroic — Whenever you cast a spell that targets Akroan Skyguard, put a +1/+1 counter on Akroan Skyguard.

Flying When Griffin Dreamfinder enters the battlefield, return target enchantment card from your graveyard to your hand.

Target creature gets +X/+X until end of turn, where X is your devotion to green. (Each {G} in the mana costs of permanents you control counts towar...