Shard of the Deceiver

Reach, Ward — {1}, discard a card, pay 5 life.

When Shard of the Deceiver enters, gain control of target nonland permanent an opponent controls until Shard of the Deceiver leaves the battlefield.

Whenever an opponent attacks you, create a token copy of Shard of the Deceiver except it
isn't legendary. Exile it at the beginning of the next end step.