Cityscape Leveler [The Brothers' War] Sage Set: Time Spiral Remastered Type:

Set: Time Spiral Remastered Type: Artifact Rarity: Rare Cost: {3} As Cloud Key enters the battlefield

such as Pokémon and Magic: The Gathering

Set: Dominaria Remastered Type: Instant Rarity: Mythic Cost: {3}{U}{U} You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost

there are a few extra rules

"If I must die

Cityscape Leveler [The Brothers' War] Sage Set: Time Spiral Remastered Type:Set: The Brothers' War 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 peramnent. Its controller creates a tapped Powerstone token. Unearth {8}