Preyseizer Dragon

“Flying <br> Devour 2 <em>(As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)</em> <br> Whenever Preyseizer Dragon attacks, it deals damage to target creature or player equal to the number of +1/+1 counters on Preyseizer Dragon.”