Engineered Explosives [Kaladesh Inventions] Prophecy Search your library for up

Search your library for up to that many land cards

untap all creatures you control

Set: Seventh Edition Type: Artifact Rarity: Rare Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps

Add an amount of {B} equal to the sacrificed creature's mana value

Set: Coldsnap Type: Creature — Wurm Rarity: Rare Cost: {5}{G}{G} Trample

Engineered Explosives [Kaladesh Inventions] Prophecy Search your library for upSet: Kaladesh Inventions 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.