Tyrant of the Scraplands

Flying, Smelt 3 (When this creature enters the battlefield, you may sacrifice up to three artifacts.)
Whenever Tyrant of the Scraplands smelts an artifact, put a +1/+1 counter on it.
Whenever Tyrant of the Scraplands attacks,
it deals damage to defending player or
planeswalker equal to the number
of +1/+1 counters on it.