Head of the Dreadnought

Head of the Dreadnought has no other abilities
unless you control an artifact named "Engine of
the Dreadnought."
{4}: Until end of turn, Head of the Dreadnought
is a 7/7 Red artifact creature with Trample.
Pay {e}{e}{e}: Deal 4 damage to any target.
Pay 3 life: Create a 2/2 red Devil creature token.