Boxing Day

{T}: Add {C}. {X}{X}, {T}, Sacrifice Treasure Vault: Create X Treasure tokens.

{T}, Sacrifice Mimic: Add one mana of any color. {2}: Mimic becomes a Shapeshifter artifact creature with base power and toughness 3/3 until end of...

Vigilance Iron Golem attacks or blocks each combat if able.

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...

({T}: Add {B}.)

({T}: Add {B}.)

Skemfar Elderhall enters the battlefield tapped. {T}: Add {G}. {2}{B}{B}{G}, {T}, Sacrifice Skemfar Elderhall: Up to one target creature you don't ...

Port of Karfell enters the battlefield tapped. {T}: Add {U}. {3}{U}{B}{B}, {T}, Sacrifice Port of Karfell: Mill four cards, then return a creature ...

Littjara Mirrorlake enters the battlefield tapped. {T}: Add {U}. {2}{G}{G}{U}, {T}, Sacrifice Littjara Mirrorlake: Create a token that's a copy of ...

Immersturm Skullcairn enters the battlefield tapped. {T}: Add {B}. {1}{B}{R}{R}, {T}, Sacrifice Immersturm Skullcairn: It deals 3 damage to target ...

Great Hall of Starnheim enters the battlefield tapped. {T}: Add {B}. {W}{W}{B}, {T}, Sacrifice Great Hall of Starnheim and a creature you control: ...

Gnottvold Slumbermound enters the battlefield tapped. {T}: Add {R}. {3}{R}{G}{G}, {T}, Sacrifice Gnottvold Slumbermound: Destroy target land. Creat...

Gates of Istfell enters the battlefield tapped. {T}: Add {W}. {2}{W}{U}{U}, {T}, Sacrifice Gates of Istfell: You gain 2 life and draw two cards.

{T}: Add {C}. {S}{S}{S}: Faceless Haven becomes a 4/3 creature with vigilance and all creature types until end of turn. It's still a land. ({S} can...

Bretagard Stronghold enters the battlefield tapped. {T}: Add {G}. {G}{W}{W}, {T}, Sacrifice Bretagard Stronghold: Put a +1/+1 counter on each of up...

Nonland permanent cards in graveyards and libraries can't enter the battlefield. Players can't cast spells from graveyards or libraries.

Foretell {0} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

When Runed Crown enters the battlefield, you may search your library, hand, and/or graveyard for a Rune card and put it onto the battlefield attach...

{T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counte...

Equipped creature gets +1/+0, has flying, and is a Bird in addition to its other types. Equip {2} ({2}: Attach to target creature you control. Equi...

Whenever Raiders' Karve attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. Crew 3 (Tap...

Vigilance Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Whenever Colossal Plow attacks, add {W}{W}{W} and you gain 3 life. Until end of turn, you don't lose this mana as steps and phases end. Crew 6 (Tap...

({T}: Add {W}.)