Gwenna, Eyes of Gaea - #185

Set: The Brothers' War
Type: Legendary Creature — Elf Druid Scout
Cost:
Color: Green

T: Add two mana in any combination of colors. Spend this mana only to cast creature spells or activate abilities of a creature or creature card.
Whenever you cast a creature spell with power 5 or greater, put a +1/+1 counter on Gwenna, Eyes of Gaea and untap it.