Mystic Forge [Core Set 2020 Prerelease Promos] Zombie Mutant Advisor if it wasn't cast

if it wasn't cast

Whenever another creature enters the battlefield under your control

Set: Secret Lair Drop Promos Type: Artifact Rarity: Rare Cost: {4} If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger

Battle Cannon — When Chaos Defiler enters the battlefield or dies

Mystic Forge [Core Set 2020 Prerelease Promos] Zombie Mutant Advisor if it wasn't castSet: Core Set 2020 Prerelease Promos Type: Artifact Rarity: Rare Cost: {4} You may look at the top card of your library any time. You may cast artifact spells and colorless spells from the top of your library. {T}, Pay 1 life: Exile the top card of your library.