Pwomi, Spell Recaller

Flash
When Pwomi, Spell Recaller enters the
battlefield, until the beginning of the next end
step, you may cast up to 3 instant and sorcery
spells from your graveyard by discarding a card
in addition to other costs.
When Pwomi, Spell Recaller leaves the
battlefield, exile all instant and sorcery cards
from your graveyard. Draw a card.