Zalkhun, the Corrupted

Infect, Trample.
When Zalkhun, the Corrupt Creator enters the battlefield, you may sacrifice a creature. If you do, each opponent gets a poison counter.
{p/w}{p/u}{p/b}{p/r}{p/g}{t}: Proliferate, proliferate, then proliferate again.
———{line}{line}{line}{line}{line}{line}{line}{line}
"Consumed by corruption, I have no choice but to obey the commands, and spread the infection." {line} Zalkhun