chameleos

flying, infect, hexproof, vigilance
when this creature enters the battlefield, each opponent gains 2 poison counters and creatures
they control gain -2/-2 until the end of the turn
{u}{b}{g}{t}: each creature your opponents control
gains a -1/-1 counter and each opponent gains a
poison counter
you can not gain poison counters and creatures
you control can not gain -1/-1 counters