As this artifact enters, choose a creature type. {3}, {T}: You may put a creature card of the chosen type from your hand onto the battlefield.

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Whenever a creature you control enters, you get {E} (an energy counter). {4}, {T}: Return target creature you control to its owner's hand.

{1}, {T}: Return target creature to its owner's hand unless its controller pays {1}.

{1}, {T}: Return target creature you control and each Aura attached to it to their owners' hands. Activate only during your turn.

Flying When this creature enters, return a blue or black creature you control to its owner's hand. Pay 1 life: Return this creature to its owner's hand.

At the beginning of your upkeep, return a black creature you control to its owner's hand. {1}{B}: Regenerate this creature.

Enchant land Enchanted land has "{T}, Discard a card: Gain control of target creature until end of turn."