Engineered Explosives (Topper) [Ultimate Box Topper] Dragons of Tarkir Remove all +1/+1 counters from

Remove all +1/+1 counters from Molten Hydra: It deals damage to any target equal to the number of +1/+1 counters removed this way

At the beginning of the end step

Mistcutter Hydra enters the battlefield with X +1/+1 counters on it

" —Yeter

the mana you spent on {X}

Engineered Explosives (Topper) [Ultimate Box Topper] Dragons of Tarkir Remove all +1/+1 counters fromSet: Ultimate 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 converted mana cost equal to the number of charge counters on Engineered Explosives.