Chitonji, Blind Anguish

When Chitonji, Blind Anguish enters the battlefield, create Mikubi, a legendary 1/1 white Human token creature. As long as you control Mikubi, Chitonji has indestructible and hexproof.
Whenever a legendary permanent enters the battlefield under an opponent's control, that player discards a card. If they can't, they put the top four cards of their library into their graveyard, then exile their graveyard.