Savage Onslaught

Target creature you control gets +X/+X until
end of turn, if X is 4 or more, that creature also
gets trample until end of turn. It fights X target creatures an opponent controls, you choose how
they block.
"You've had your fun, X-Factor -- your final fleeting
moment of glory -- now it's time for you all to DIE!"
— Apocalypse