Boxing Day

Whenever a creature you control dies, exile it. At the beginning of each end step, if you control no creatures, sacrifice Promise of Tomorrow and r...

As long as it's your turn, creature tokens you control get +1/+4. {3}{W}: Create a 1/1 white Soldier creature token. Partner (You can have two comm...

{T}: Add {C}. {3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

Vault of Champions enters the battlefield tapped unless you have two or more opponents. {T}: Add {W} or {B}.

Undergrowth Stadium enters the battlefield tapped unless you have two or more opponents. {T}: Add {B} or {G}.

Training Center enters the battlefield tapped unless you have two or more opponents. {T}: Add {U} or {R}.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Spectator Seating enters the battlefield tapped unless you have two or more opponents. {T}: Add {R} or {W}.

Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents. {T}: Add {G} or {U}.

Path of Ancestry enters the battlefield tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast ...

{T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the ...

{T}: Add one mana of any color in your commander's color identity.

At the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. If a player does, creatures that player control...

{T}: Add {C}. {T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

You have no maximum hand size. {T}: Add {C}.

{1}: Untap Staff of Domination. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.

Sky Diamond enters the battlefield tapped. {T}: Add {U}.

Search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.

Flash You may cast artifact spells as though they had flash.

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exi...

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

When Pirate's Cutlass enters the battlefield, attach it to target Pirate you control. Equipped creature gets +2/+1. Equip {2} ({2}: Attach to targe...

When Phyrexian Triniform dies, create three 3/3 colorless Phyrexian Golem artifact creature tokens. Encore {12} ({12}, Exile this card from your gr...