Wurmcoil Engine [Double Masters] 158 and what to do when

and what to do when either goes wrong

Set: Monarch Unlimited Edition: Unlimited Finish: Rainbow Foil Type: Action Rarity: Majestic Class: Shadow Cost: 0 The next attack action card you play this turn gains +1 [Power]

Set: Neo Destiny Unlimited Type: Fighting Rarity: Holo Rare Retreat cost: Colorless

Set: Mystery Booster Playtest Cards Type: Legendary Creature — Sliver Eldrazi Rarity: Rare Cost: {C}{W}{U}{B}{R}{G} Eldrazi you control are Slivers in addition to their other types

Wurmcoil Engine [Double Masters] 158 and what to do whenSet: Double Masters Type: Artifact Creature Wurm Rarity: Mythic Cost: {6} Deathtouch, lifelink When Wurmcoil Engine dies, create a 3 3 colorless Wurm artifact creature token with deathtouch and a 3 3 colorless Wurm artifact creature token with lifelink.