Engineered Explosives (Topper) [Ultimate Masters Box Topper] Snake where X is the number

where X is the number of Allies you control

(Damage and effects that say "destroy" don't destroy it

Whenever a creature enters the battlefield

double Okaun's power and toughness until end of turn

Set: Guilds of Ravnica Prerelease Promos Type: Instant Rarity: Rare Cost: {B}{G} Destroy target permanent an opponent controls

Engineered Explosives (Topper) [Ultimate Masters Box Topper] Snake where X is the numberSet: Ultimate Masters Box Topper Type: Artifact Rarity: Mythic Cost: {X} Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives.