Gwenna, Eyes of Gaea [The Brothers' War]

Description

Set:	The Brothers' War
Type:	Legendary Creature — Elf Druid Scout
Rarity:	Rare
Cost:	{2}{G}

{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.