Tamanoa | Magic: The Gathering
Formats Tamanoa is Legal in
Official Oracle Text for Tamanoa
Official Rulings for Tamanoa
7/15/2006 : Tamanoa's ability triggers no matter who the recipient of the damage is: another player, a creature, or even you. If a noncreature source you control deals damage to you that drops your life total to 0 or less, you'll lose the game before Tamanoa's ability can resolve.