Ruga, little Wanderer

+2: You may add one mana of any color to your mana pool. If you don't, you gain 1 life.
+1: Until your next turn, target green creature you control gets +0/+1 and gains vigilance.
: Whenever the sixth loyalty counter is placed on Ruga, target opponent puts a 6/6 green Wolf creature token with trample onto the battlefield.