Kyra, Quadmech Commando

Whenever an Equipment enters the battlefield,
create a 1/1 Power Core artifact creature token.
Whenever a Mech becomes active, create a
6/6 Quadmech artifact creature token. (A
mech becomes active when it is merged with a
power core.)
"I made him when I was ten. You like him? Too
bad you he's going to kill you. Really sucks."