power and toughness are each equal to the number of Forests you control plus the number of Treefolk you control. Dauntless Dourbark has trample as long as you control another Treefolk.
+1: Untap two target lands. -1: Put a 3/3 green Beast creature token into play. -4: Creatures you control get +3/+3 and gain trample until end of turn.
Champion an Elf (When this comes into play, sacrifice it unless you remove another Elf you control from the game. When this leaves play, that card returns to play.) %2%G: Put a 2/2 green Wolf creature token into play. Each Wolf you control has deathtouch. (When it deals damage to a creature, destroy that creature.)