Engineered Explosives (Topper) [Ultimate Masters Box Topper] Plains Swamp Set: Magic 2015 Type: Enchantment

Set: Magic 2015 Type: Enchantment Rarity: Rare Cost: {1}{B} Whenever an opponent discards a creature card

where X is the number of spite counters on Curse of Vengeance

Set: Dominaria Prerelease Promos Type: Legendary Sorcery Rarity: Rare Cost: {4}{W} (You may cast a legendary sorcery only if you control a legendary creature or planeswalker

a thousand seeds

Engineered Explosives (Topper) [Ultimate Masters Box Topper] Plains Swamp Set: Magic 2015 Type: EnchantmentSet: 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.