Boxing Day

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Pay 3 life: Add {R}.

Flying Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Whenever Scourge...

Ignition Team enters the battlefield with X +1/+1 counters on it, where X is the number of tapped lands on the battlefield. {2}{R}, Remove a +1/+1...

Create a 4/4 red Ogre creature token. Starting with you, each player chooses an artifact, a creature, and a land from among the permanents controll...

First strike Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Will of the council — Choose target instant or sorcery spell. Starting with you, each player votes for denial or duplication. If denial gets more v...

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Will of the council — Starting with you, each player votes for death or torture. If death gets more votes, each opponent sacrifices a creature. If ...

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face...

Will of the council — Starting with you, each player votes for time or knowledge. If time gets more votes, take an extra turn after this one. If kn...

Each player sacrifices a creature. Create an X/X black Demon creature token with flying, where X is the total power of the creatures sacrificed thi...

Whenever players finish voting, each opponent who voted for a choice you didn't vote for loses 2 life.

{3}{U}, {T}: Look at the top X cards of your library, where X is the highest mana value among artifacts you control. You may put an artifact card f...

Drakestown Forgotten enters the battlefield with X +1/+1 counters on it, where X is the number of creature cards in all graveyards. {2}{B}, Remove ...

Will of the council — Starting with you, each player votes for sickness or psychosis. If sickness gets more votes, creatures your opponents control...

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Whenever Marchesa's Infi...

{T}: Add one mana of any type that a land you control could produce.

{T}: Add {C}. {T}, Sacrifice Quicksand: Target attacking creature without flying gets -1/-2 until end of turn.

{T}: Add {C}. {T}: Put a charge counter on Mirrodin's Core. {T}, Remove a charge counter from Mirrodin's Core: Add one mana of any color.

Equipped creature gets +2/+2. As long as equipped creature has defender, it can attack as though it didn't have defender. Equip {3} ({3}: Attach ...

You may cast spells as though they had flash.

{T}: Choose a player. That player adds one mana of any color they choose.

No more than one creature can attack each combat. No more than one creature can block each combat.

When Runed Servitor dies, each player draws a card.