Stealthy Poisoner

Flying
Infect (This deals damage to creatures in the form of
-1/-1 counters and players in the form of poison counters.)
"It won't kill you immediately, but even the mightiest of heroes will slowly but surely fall to an agonizing doom
at the inexorable, cruel hands of Snook's horrid virus.
Ok fine that was a bit dramatic but whatever you get the point" -Elf