Work that Monkey

When a creature enters, sacrifice this artifact and create X 2/2 green Monkey creature tokens, where X is that creature's mana value.

+2: Exile target permanent you own. Return it to the battlefield under your control at the beginning of the next end step. −1: Creatures can't be blocked this turn. −8: You get an emblem with "Whenever you cast a spell, exile target permanent."

Flying When Sharuum enters, you may return target artifact card from your graveyard to the battlefield.