Blade Maelstrom

Trample
{x}{u}{u}, {t}: Deal {x} damage to {x} creatures you
don't control (your choice), and 3 damage to {x} creatures you control (opponent's choice). If a creature is killed, excess damage is dealt to the controller of that creature.
"I have never seen such destruction from one machine.
Everything around me looked like it had been run
through a paper shredder." -Robert Bildur, head of the monkey engineers.