Sharuum the Hegemon

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

Entomb

Search your library for a card, put that card into your graveyard, then shuffle.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

{T}: Add one mana of any color in your commander's color identity.

{T}: Reveal any number of artifact cards in your hand. Add {C}{C} for each card revealed this way.

{U}, {T}, Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield.