Nicol Bolas, the Ravager // Nicol Bolas, the Arisen 218/280

Oracle text

Flying When Nicol Bolas enters, each opponent discards a card. {4}{U}{B}{R}: Exile Nicol Bolas, then return him to the battlefield transformed under his owner's control. Activate only as a sorcery. +2: Draw two cards. −3: Nicol Bolas deals 10 damage to target creature or planeswalker. −4: Put target creature or planeswalker card from a graveyard onto the battlefield under your control. −12: Exile all but the bottom card of target player's library.