Dominaria

({T}: Add {U}.)

({T}: Add {B}.)

({T}: Add {W}.)

({T}: Add {R}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains. {T}: Add {R} or {W}.

({T}: Add {R}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {B}.)

({T}: Add {G}.)

({T}: Add {B}.)

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {R}.)

({T}: Add {W}.)