Patron of the Orochi [Betrayers of Kamigawa]

Description

Set:	Betrayers of Kamigawa
Type:	Legendary Creature — Spirit
Rarity:	Rare
Cost:	{6}{G}{G}

Snake offering (You may cast this card any time you could cast an instant by sacrificing a Snake and paying the difference in mana costs between this and the sacrificed Snake. Mana cost includes color.)
{T}: Untap all Forests and all green creatures. Activate this ability only once each turn.