Urza's Tower (Sunset) [Antiquities] Green −2: Search your library for

−2: Search your library for a card

When you cast a creature spell

Set: Champions of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {5}{U} Target permanent's controller sacrifices it

it produces colorless mana instead of white mana

Set: Theros Type: Legendary Planeswalker — Xenagos Rarity: Mythic Cost: {2}{R}{G} +1: Add X mana in any combination of {R} and/or {G}

Urza's Tower (Sunset) [Antiquities] Green −2: Search your library forSet: Antiquities Type: Land Urzas Tower Rarity: Uncommon {T}: Add {C}. If you control an Urza's Mine and an Urza's Power Plant, add {C}{C}{C} instead. Urza always put Tocasia's lessons on resource gathering to effective use.