Druid

Whenever you play a land, if you control 6 or more lands, reveal your role. When you reveal your role you either create a 2/2 green Wolf creature token and gain 5 life, or create a 1/1 black Bird creature token with flying and draw a card.
Win: You win if you are still alive at the end of the game, and each player had at least 6 lands on the battlefield at some point this game.