Sorin of House Markov // Sorin, Ravenous Neonate [Modern Horizons 3] ST9-14 the winner chooses one of

the winner chooses one of the cards they put onto the battlefield as the subgame began and puts it onto the battlefield rather than shuffling it into their library

Then investigate

"Let the final vision of doom be etched upon their unblinking eyes

so grew the magic

Sorin of House Markov // Sorin, Ravenous Neonate [Modern Horizons 3] ST9-14 the winner chooses one ofSet: Modern Horizons 3 Type: Legendary Creature Human Noble Legendary Planeswalker Rarity: Mythic Lifelink Extort (Whenever you cast a spell, you may pay (W B). If you do, each opponent loses 1 life and you gain that much life.) At the beginning of your postcombat main phase, if you gained 3 or more life this turn, exile Sorin of House Markov, then return him to the battlefield transformed under his owner's control. Reverse Type: Legendary