Boxing Day

Immolating Gyre deals X damage to each creature and planeswalker you don't control, where X is the number of instant and sorcery cards in your grav...

At the beginning of each end step, if an opponent discarded a card this turn, you draw a card and you lose 1 life. {4}{B}{B}: Each opponent with no...

Mikaeus, the Lunarch enters the battlefield with X +1/+1 counters on it. {T}: Put a +1/+1 counter on Mikaeus. {T}, Remove a +1/+1 counter from Mika...

Flying Activated abilities of creatures your opponents control can't be activated.

If an opponent would mill one or more cards, they mill twice that many cards instead. (To mill a card, a player puts the top card of their library ...

[+1]: Put a +1/+1 counter on up to one target creature. It gains indestructible until end of turn. [−2]: Whenever one or more nontoken creatures at...

Flying Spells your opponents cast that target Terror of the Peaks cost an additional 3 life to cast. Whenever another creature enters the battlefie...

If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.

As long as it's your turn, this spell costs {2}{U}{U} less to cast. End the turn. (Exile all spells and abilities on the stack, including this card...

Lifelink Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or a planeswalker you control, draw a...

Flying, first strike, lifelink, protection from Demons and from Dragons

When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls d...

Search your library for a card, put that card into your hand, then shuffle your library. You lose 3 life.

[+1]: Up to one target creature gets +3/+3 and gains trample until end of turn. [−2]: Create a 3/3 green Beast creature token. Then if an opponent ...

[+1]: Discard your hand, then exile the top three cards of your library. Until end of turn, you may play cards exiled this way. [+1]: Chandra, Hear...

[+1]: Each player discards a card. Each opponent who can't loses 3 life. [−3]: Target creature gets -X/-X until end of turn, where X is the number ...

You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant. [+1]: Draw a card, then disca...

You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant. [+1]: Draw a card, then disca...

You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant. [+1]: Draw a card, then disca...

[+1]: Put a +1/+1 counter on up to one target creature. It gains indestructible until end of turn. [−2]: Whenever one or more nontoken creatures at...

[+2]: Ugin, the Spirit Dragon deals 3 damage to any target. [−X]: Exile each permanent with converted mana cost X or less that's one or more colors...

[+1]: Up to one target creature gets +3/+3 and gains trample until end of turn. [−2]: Create a 3/3 green Beast creature token. Then if an opponent ...

[+1]: Discard your hand, then exile the top three cards of your library. Until end of turn, you may play cards exiled this way. [+1]: Chandra, Hear...

[+1]: Each player discards a card. Each opponent who can't loses 3 life. [−3]: Target creature gets -X/-X until end of turn, where X is the number ...