Tome of the Gatekeeper

{t}: Gain 1 life.
{1}, {t}: Draw a card.
{2}, {t}, Put a card from your hand, a nontoken permanent you control or the top card of your library into the ante zone: create a white 1/1 spirit creature token with flying.
{3}, {t}, Exile Tome of the Gatekeeper: Each player returns all cards they own from the ante zone to their graveyard then put Tome of the Gatekeeper and target nontoken permanent into the ante zone.