Boxing Day

{T}, Pay 1 life, Sacrifice this land: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {3}{W}{B}, {T}: Target player loses 1 life and you gain 1 life.

{T}: Add {C}. {2}{U}{R}, {T}: Exile the top card of your library. Until your next turn, you may cast it if it's an instant or sorcery spell.

{T}: Add {C}. {1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly-Worker crea...

This land enters with three mining counters on it. {T}, Remove a mining counter from this land: Add one mana of any color. If there are no mining c...

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {R}.)

({T}: Add {R}.)