Carrion Mired Cave

{t}: Add One {b} or {g} Mana
{3}{b/g}{b/g}{t}: Target opponent chooses one of creature under their control or in their hand
and exiles it. This creature is exiled until Carrion Mired Cave is removed from play.
For every creature exiled this way you gain 3 life.
{4}{t}: Sacrifice a nonland nonartifact permanent you control, Seek a "Wendigo" creature from your deck or graveyard create a copy of that card and put it onto the battlefield under your control.