I Can't Lose Forever

When I Can't Lose Forever enters the battlefield, target player sacrifices all permanents.
•For each creature sacrificed, target loses 1 life
you gain 1 life.
•For each artifact sacrificed, target exiles 1 card
from their graveyard.
•For each land sacrificed, target mills 5 cards.
-You may cast any creatures drawn without paying their mana cost until end of turn.
{t} : Return this creature to your hand.