Hapono, the Titains' Servant

Emerge 9{b}{b} (You may cast this spell by
sacrificing a creature and paying the emerge cost
reduced by that creature's converted mana cost.)

When Hapono, the Titains' Servant enters the
battlefield, exile the lands tapped for Hapono's
mana cost until Hapono, the Titains' Servant
leaves the battlefield.
Trample, Menace, Vigilance, Reach