Bloodstream Devil

Beguile {b/r} (If this card is untapped, when a creature attacks you or a planeswalker you control, you may pay {b/r}. If you do, attach this card to that creature's controller. It becomes an Aura Curse.)
If Bloodstream Devil is attached to a player, it gains "{b/r}, sacrifice Bloodstream Devil: Creatures enchanted player controls attack this turn, if able."