King of the Dragons

Flying, Double Strike, Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
{4}{g} Put a 3/3 green Tiny Forest Dragon with Flying and Ingest onto the battlefield
{4}{r} Put a 3/3 red Tiny Fire Dragon with Flying and Deathtouch onto the battlefield