Boxing Day

Destroy target creature or planeswalker. Whenever a creature blocks this turn, its controller loses 1 life.

Marble Diamond enters the battlefield tapped. {T}: Add {W}.

As long as it's your turn, Leech Fanatic has lifelink.

Flying

Target creature gets +2/-2 until end of turn.

Create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life." Learn. (You may reveal a Lesson card you own from...

{2}, {T}: Draw a card, then discard a card.

Equipped creature has vigilance, trample, and haste. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}, Sacrifice this artifact: Add one mana of any color.

Put two +1/+1 counters on target creature. It gains lifelink until end of turn.

Flying

Equipped creature gets +3/+0 and is every creature type. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Whenever Arrogant Poet attacks, you may pay 2 life. If you do, it gains flying until end of turn.

Flying Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

As long as you control eight or more lands, Vortex Runner gets +1/+0 and can't be blocked.

When Kinsbaile Courier enters the battlefield, put a +1/+1 counter on target creature. Encore {2}{W} ({2}{W}, Exile this card from your graveyard: ...

{1}{U}, {T}: Draw a card, then discard a card.

Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is one plus the total number of instant and sorcery cards y...

Counter target creature or planeswalker spell unless its controller pays {3}. If that spell is countered this way, exile it instead of putting it i...

When this creature dies, you gain 1 life.

Draw a card. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.

Look at the top two cards of your library. Put any number of them into your graveyard and the rest back on top of your library in any order. Draw a...