Kulrotha, Soul of Sacrifice

{p/c}{t}: Sacrifice another creature, counter target
spell, if the spell sacrificed was a creature, put it
on the battlefield tapped then sacrifice a creature
-When a creature enters the battlefield, it's
owner sacrifices a creature
{p/c}, Discard a non-creature card: exile target
creature card from any graveyard, you may cast it
for as long as this creature is on the battlefield,
and may use mana as any color to cast it