Oboburu, Onion Potager

When Oboburu, Onion Potager enters the
battlefield or attacks, create a colorless artifact
token named Onion Soup with "{t}, Sacrifice this artifact: Add {w} or {g}. You gain 2 life."
Whenever you sacrifice an Onion Soup, you
may conjure a card to your hand from
Oboburu's Repertoire.
(If this card is your chosen Commander, you may
start the game with Oboburu's Repertoire in the
command zone.)