Nicol Bolas the Ravager

“Flying <br> Nicol Bolas, the Ravager enters the battlefield, each opponent discards a card. <br> 4UBR: Exile Nicol Bolas, the Ravager, then return him to the battlefield transformed under his owner's control. Activate this ability only any time you could cast a sorcery. <br>//<br> <strong>Nicol Bolas, the Arisen</strong> <br> [+2]: Draw two cards. <br> [-3]: Nicol Bolas, the Arisen deals 10 damage to target creature or planeswalker. <br> [-4]: Put target creature or planeswalker card from a graveyard onto the battlefield under your control. <br> [-12]: Exile all but the bottom card of target player's library.”