As this enchantment enters, choose a creature type. Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
{T}: Add {U}. {2}{U}, {T}: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
If an opponent had three or more cards put into their graveyard from anywhere this turn, you may pay {0} rather than pay this spell's mana cost. Exile target player's graveyard.
[+2]: Sorin Markov deals 2 damage to any target and you gain 2 life. [–3]: Target opponent's life total becomes 10. [–7]: You control target player during that player's next turn.
When this enchantment enters, exile target creature. When this enchantment leaves the battlefield, return the exiled card to the battlefield under its owner's control.