Boxing Day

({T}: Add {W} or {U}.)

({T}: Add {G} or {U}.)

({T}: Add {G} or {U}.)

Sacrifice a creature: You gain life equal to the sacrificed creature's toughness. Activate this ability only during your upkeep.

({T}: Add {B} or {G}.)

({T}: Add {R} or {G}.)

({T}: Add {R} or {G}.)

{2}, {T}: Prevent all damage that would be dealt this turn by target creature you control. That creature gets +0/+X until end of turn, where X is i...

({T}: Add {W} or {B}.)

({T}: Add {W} or {B}.)

({T}: Add {R} or {G}.)

({T}: Add {B} or {R}.)

({T}: Add {W} or {B}.)

{2}, {T}: Exile the top card of your library face down. {0}: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled wit...

({T}: Add {G} or {W}.)

({T}: Add {G} or {W}.)

({T}: Add {R} or {W}.)

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

({T}: Add {R} or {W}.)

({T}: Add {G} or {W}.)

{2}, {T}: Prevent all combat damage that would be dealt by target creature this turn.

({T}: Add {B} or {G}.)

Whenever a player casts a black spell, you may pay {1}. If you do, you gain 1 life.

({T}: Add {R} or {W}.)