The Invincible Iron Man

Flying, Indestructible, Hexproof, Vigilance
{x}{t}: Deal X Damage to all Opponent Creatures,
if any Creatures are Destroyed Deal X
Damage to all Opponents. If all Creatures would
be Destroyed Exile them Instead and Deal X
Damage to all Opponents.
{5}: The Invincible Iron Man gains First Strike, Deathtouch and Lifelink until the End Phase.
"I am Iron Man!"