Decaying Ekzykes

Flying, Infect (This creature deals damage to
creatures in the form of -1/-1 counters and to players
in the form of poison counters.)
{b}: Decaying Ekzykes gains haste until
end of turn.
{b}{b}: Regenerate Decaying Ekzykes.
"Instead of breathing out fire, Ekzykes emits
rot, which proves deadly."