Boxing Day

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {W}.)

This land enters tapped. {T}: Add {U} or {R}. {2}{U}{R}, {T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

This land enters tapped. {T}: Add {R} or {W}. {2}{R}{W}, {T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Maze's End enters tapped. {T}: Add {C}. {3}, {T}, Return Maze's End to its owner's hand: Search your library for a Gate card, put it onto the battl...

Temple of Triumph enters tapped. When Temple of Triumph enters, scry 1. {T}: Add {R} or {W}.

Temple of Malady enters tapped. When Temple of Malady enters, scry 1. {T}: Add {B} or {G}.

Temple of Epiphany enters tapped. When Temple of Epiphany enters, scry 1. {T}: Add {U} or {R}.

Temple of Enlightenment enters tapped. When Temple of Enlightenment enters, scry 1. {T}: Add {W} or {U}.

{T}: Add {C}. {4}: Put two +1/+1 counters on Crawling Barrens. Then you may have it become a 0/0 Elemental creature until end of turn. It's still a...

Temple of Silence enters tapped. When Temple of Silence enters, scry 1. {T}: Add {W} or {B}.

Orzhov Basilica enters tapped. When Orzhov Basilica enters, return a land you control to its owner's hand. {T}: Add {W}{B}.

Dimir Aqueduct enters tapped. When Dimir Aqueduct enters, return a land you control to its owner's hand. {T}: Add {U}{B}.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {U}.)

({T}: Add {W}.)

({T}: Add {W}.)

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Mount spell. {3}, {T}: Look at the top card of your library. If it's a...