Urza's Tower (Sunset) [Antiquities] San Diego Comic-Con 2013 Set: Magic 2010 Type: Artifact

Set: Magic 2010 Type: Artifact Rarity: Rare Cost: {5} Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it

then sacrifice it unless you pay its upkeep cost for each age counter on it

{T}: Tap target artifact

Set: Stronghold Type: Legendary Land Rarity: Rare {T}: Add {C}

Set: From the Vault: Legends Type: Legendary Creature — Elemental Rarity: Mythic Cost: {2}{G} You don't lose unspent green mana as steps and phases end

Urza's Tower (Sunset) [Antiquities] San Diego Comic-Con 2013 Set: Magic 2010 Type: ArtifactSet: Antiquities Type: Land Urza's 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.