Opportunistic Dragonfly

Flying, flash
When Opportunistic Dragonfly enters the
battlefield, deal 1 damage to each creature
target player controls. For each creature that
dies this way, put a +1/+1 counter on
Opportunistic Dragonfly.
"First it ate one of its own. Next a frog,
then a rat, then a snake, then a boar, etc. Its
always hungry."