Engineered Explosives [Modern Masters] Ice Age Battle-Forged becomes a 4/4 Human

Battle-Forged becomes a 4/4 Human Soldier creature with indestructible that's still a planeswalker

Set: Darksteel Type: Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +2/+2 and has protection from white and from black

Whenever you cast an enchantment spell

Set: Kaladesh Prerelease Promos Type: Artifact Creature — Construct Rarity: Mythic Cost: {4}{R}{R} First strike

Engineered Explosives [Modern Masters] Ice Age Battle-Forged becomes a 4/4 HumanSet: Modern Masters Type: Artifact Rarity: Rare 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.