Boxing Day

Flying Whenever you draw a card, create a 1/1 blue and red Insect creature token with flying and haste. {2}{U}{R}: Draw a card, then discard a card...

Flying Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying. Sacrifice a Spirit: Add {R}.

Whenever a Knight you control attacks, each opponent loses 1 life and you gain 1 life. {6}{W}{B}, Sacrifice Knights' Charge: Return all Knight crea...

When Knights of the Black Rose enters the battlefield, you become the monarch. Whenever an opponent becomes the monarch, if you were the monarch as...

{3}, Sacrifice another nontoken creature: Create a 1/1 white and black Spirit creature token with flying. Afterlife 3 (When this creature dies, cre...

Whenever another creature enters the battlefield under your control, put a +1/+1 counter on that creature and a +1/+1 counter on Juniper Order Ranger.

{2}, Sacrifice this artifact: Draw a card.

Menace Whenever a player casts their first spell each turn, they create a Treasure token. Whenever an artifact an opponent controls is put into a g...

Whenever you draw your second card each turn, create a 1/1 blue Faerie creature token with flying. {4}{U}{R}: Draw a card, then discard a card.

Heaven deals X damage to each creature with flying.

This spell costs {1} less to cast for each creature you control with a +1/+1 counter on it. Creature spells you cast cost {1} less to cast for each...

Whenever another creature enters the battlefield under your control, put a +1/+1 counter on that creature.

Flying Whenever one or more +1/+1 counters are put on another creature you control, you may put a +1/+1 counter on Enduring Scalelord.

When Duergar Hedge-Mage enters the battlefield, if you control two or more Mountains, you may destroy target artifact. When Duergar Hedge-Mage ente...

Exile target permanent with mana value 4 or greater.

Whenever another creature enters the battlefield under your control, each opponent loses 1 life.

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on that creature instead. When Conc...

{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.

Vigilance {2}{W}, {T}: Create a 2/2 white Knight creature token with vigilance. {B}, {T}, Tap X untapped Knights you control: Destroy target creatu...

When Wood Elves enters the battlefield, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Landfall — Whenever a land enters the battlefield under your control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this...

Landfall — Whenever a land enters the battlefield under your control, create a Food token or a Treasure token. (Food is an artifact with "{2}, {T},...

Slurrk, All-Ingesting enters the battlefield with five +1/+1 counters on it. Whenever Slurrk or another creature you control dies, if it had a +1/+...

Flying, haste