Riku, Dragon Summoner

{1}{r}, {t}: Create a 0/0 red Dragon creature token with flying and devour 1. (As the token enters the battlefield, you may sacrifice any number of creatures. It enters the battlefield with that many +1/+1 counters on it.)
{1}{g}{g}, {t}: Put a +1/+1 counter on target
Dragon creature you control. It fights another target creature. (Each deals damage equal to its power to the other.)