Invasion

Ancient Spring enters the battlefield tapped. {T}: Add {U}. {T}, Sacrifice Ancient Spring: Add {W}{B}.

({T}: Add {G}.)

Sulfur Vent enters the battlefield tapped. {T}: Add {B}. {T}, Sacrifice Sulfur Vent: Add {U}{R}.

({T}: Add {W}.)

({T}: Add {G}.)

Irrigation Ditch enters the battlefield tapped. {T}: Add {W}. {T}, Sacrifice Irrigation Ditch: Add {G}{U}.

({T}: Add {R}.)

{T}: Add {C}. {T}, Sacrifice Archaeological Dig: Add one mana of any color.

Elfhame Palace enters the battlefield tapped. {T}: Add {G} or {W}.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {R}.)

({T}: Add {U}.)

({T}: Add {W}.)

({T}: Add {G}.)

{T}: Add {C}. {T}, Sacrifice Archaeological Dig: Add one mana of any color.