Tasigur, the Immortal

Delve (Each card you exile from your graveyard
while casting this spell pays for {1}.)

When Tasigur, the Immortal enters the battlefield, you draw a card and lose 1 life. If it
entered the battlefield from your graveyard, you discard 2 cards, then draw a card and lose 1 life.
You may cast Tasigur, the Immortal from your graveyard.