Izra, Watcher of the Nest

Flying, Defender
Izra, Watcher of the Nest costs {1} less for each
dragon in your graveyard & on the battlefield under
your control.
Whenever Izra, Watcher of the Nest enters the battlefield, put all dragons from your graveyard into play.
{r}{r}{g}{g}: Discard a dragon card, create a 2/2
Flying Red and Green Dragon Creature Token.