Cityscape Leveler [The Brothers' War: Prerelease Promos] The Brothers' War Retro Artifacts Spend this mana only to

Spend this mana only to cast a spell that's one or more colors without {X} in its mana cost

When Tivadar of Thorn enters the battlefield

Set: Portal Type: Creature — Bird Rarity: Common Cost: {1}{U} Flying

Set: Zendikar Type: Creature — Human Rogue Ally Rarity: Rare Cost: {3}{B} Whenever Bala Ged Thief or another Ally enters the battlefield under your control

Set: Jumpstart Type: Creature — Hydra Beast Rarity: Uncommon Cost: {X}{G} Feral Hydra enters the battlefield with X +1/+1 counters on it

Cityscape Leveler [The Brothers' War: Prerelease Promos] The Brothers' War Retro Artifacts Spend this mana only toSet: The Brothers' War: Prerelease Promos Type: Artifact Creature Construct Rarity: Mythic Cost: {8} Trample When you cast this spell and whenever Cityscape Leveler attacks, destroy up to one target nonland permanent. Its controller creates a tapped Powerstone token. Unearth {8}