Myv Valhesha, Sin Hoarder

Whenever an opponent discards a card, pays life, or sacrifices a creature, create a 1/1 black Bat creature token with flying.
Whenever an opponent discards a card or sacrifices a creature, exile it. You may cast cards exiled with Myv Valhesha. If you do, sacrifice bats you control equal to that spell's converted mana cost rather than pay its mana cost.
"Don't fret. I'll carry your burdens for