Urza's Saga

{T}: Add {C}. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U}.)

({T}: Add {W}.)

At the beginning of the end step, if you control no creatures, sacrifice Thran Quarry. {T}: Add one mana of any color.

({T}: Add {G}.)

({T}: Add {R}.)

({T}: Add {B}.)

Smoldering Crater enters the battlefield tapped. {T}: Add {R}. Cycling {2} ({2}, Discard this card: Draw a card.)