City of Shadows [The Dark] Gladiator Set: Commander 2014 Type: Creature

Set: Commander 2014 Type: Creature — Goblin Artificer Rarity: Rare Cost: {R} {T}: Choose target artifact a player controls and target artifact card in that player's graveyard

Set: Beta Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one basic land type with another

Sacrifice Windswept Heath: Search your library for a Forest or Plains card

but I didn't expect it from the building itself

City of Shadows [The Dark] Gladiator Set: Commander 2014 Type: CreatureSet: The Dark Type: Land Rarity: Rare {T}, Exile a creature you control: Put a storage counter on City of Shadows. {T}: Add {C} for each storage counter on City of Shadows.