Maddest of Gambits

Tap target Mech you control.
That Mech deals X+2 damage to target creature,
where X is equal to tapped mech's toughness. At the beginning of the next end step, If the creature dealt
damage by this spell has not been destroyed, destroy
tapped Mech.
"Hmmm, Critical Structure Damage, Buckled Outer Plating, Ammo Pods are on Fire, and my Power Plant
is leaking coolant AND lubricant? Eject? NO, let's go
for broke!"