Khana, the slayer

Partner with Blade of demons.
(When this creature enters the battlefield, target player may put Blade of demons into their hand from their library, then shuffle.)
Deathtouch
Whenever anyone draws a card choose one:
•That player discards a card.
•You gain 2 life.
•You deal 5 damage to any target.
{bull}You draw a card and lose 2 life.