Ritual of the Black Paragon

Ritual of the Black Paragon costs {1} less to cast
for each opponent you have.
At the beginning of your upkeep, choose one —
• Draw two cards.
• Create a 5/5 black Demon with Flying.
• Add {b}{b}{b} at the beginning of your next
main phase.
{bull} Return target creature from your graveyard to
the battlefield.
At the beginning of your end step, you lose 7 life.