City of Shadows:
TAP: Sacrifice one of your creatures, but remove it from the game instead of placing it in your graveyard. Put a counter on City of Shadows. TAP: Add X colorless mana to your mana pool, where X is the number of counters on City of Shadows.
Number: 18
Rarity: U
Power: 0
Toughness: 0
Type: Land
Mana cost: n/a
Color: Land
Artist: Tom Wanerstrand
Mana Costs: W=White B=Black; G=Green; R=Red; U=Blue