Shrine of the Mothman

Whenever an opponent gains life, choose one —
• You lose 3 life.
• Discard an enchantment.
• Sacrifice a creature with 1 toughness.
{bull} If all other modes are chosen.
Exile target creature you control, it's
abilities can be activated and triggered in exile.
Sacrifice Shrine of the Mothman:
Return target exiled creature to the battlefield.