Ultron

Partner Flying
{t} sacrifice 2 creatures with the subtype Sentry, destroy 2 impervious alloys, attack each player with at least 1 creature, and tap all your lands: set opponents hp to 1
"Humans are hopeless. Vicious. Filthy. Selfish. Fearful. A fungoso infection for which there is only one cure. The rage of Ultron."