Boil (Invocation) [Amonkhet Invocations] Wizards Play Network 2009 create a 1/1 colorless Thopter

create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker

you may put a -1/-1 counter on target creature

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Rarity: Rare Cost: {5}{U}{U} Zhou Yu

When Cyclopean Tomb is put into a graveyard from the battlefield

Set: Kaladesh Prerelease Promos Type: Land Rarity: Rare Inspiring Vantage enters the battlefield tapped unless you control two or fewer other lands

Boil (Invocation) [Amonkhet Invocations] Wizards Play Network 2009 create a 1/1 colorless ThopterSet: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {3}{R} Destroy all Islands.