Dysharra, the soul stealer

Flying, hexproof
Whenever you cast an instant or sorcery, chose
one -
•Demonic Pact - Create a 1/1 black imp creature
token.
•Blood Sacrifice - Dysharra, the soul stealer deals
1 damage to each player.
•Everlasting Torment {dash} Exile a card from a
graveyard, if it was an opponent's card, lose
life equal to its mana value.