Boxing Day

You may choose not to untap Deserter's Quarters during your untap step. {6}, {T}: Tap target creature. It doesn't untap during its controller's un...

Trample Rampaging Monument enters the battlefield with three +1/+1 counters on it. Whenever you cast a multicolored spell, put a +1/+1 counter on R...

{T}: Add one mana of any color.

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abi...

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then s...

{T}: Put a +1/+1 counter on each artifact creature you control.

{T}: Add {R}, {W}, or {B}. Cycling {2} ({2}, Discard this card: Draw a card.)

Gate Smasher can be attached only to a creature with toughness 4 or greater. Equipped creature gets +3/+0 and has trample. Equip {3}

{4}, {T}: Put a charge counter on Magistrate's Scepter. {T}, Remove three charge counters from Magistrate's Scepter: Take an extra turn after this...

{T}: Add {G} or {W}. {4}{G}{W}: Dromoka Monument becomes a 4/4 green and white Dragon artifact creature with flying until end of turn.

Flying When Skyscanner enters the battlefield, draw a card.

{T}: Add {U}, {R}, or {W}. Cycling {2} ({2}, Discard this card: Draw a card.)

Flying When Thaumaturge's Familiar enters the battlefield, scry 1.

{T}: Target player exiles a card from their graveyard. {1}, Sacrifice Scrabbling Claws: Exile target card from a graveyard. Draw a card.

{T}: Add one mana of any color. {T}: Target creature becomes the color or colors of your choice until end of turn.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you. {T}: Add {C}{C}.

Pirates you control get +1/+0. Whenever Fell Flagship deals combat damage to a player, that player discards a card. Crew 3 (Tap any number of creat...

{4}, {T}: Tap target creature.

Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith. At the beginning of combat on ...

Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith. At the beginning of combat on ...

At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.

Firemind Vessel enters the battlefield tapped. {T}: Add two mana of different colors.

Flying Whenever Weatherlight deals combat damage to a player, look at the top five cards of your library. You may reveal a historic card from among...

{T}: Add {G} or {U}. {G}{U}: Simic Keyrune becomes a 2/3 green and blue Crab artifact creature with hexproof until end of turn. (It can't be the t...