Kenneth, The Merciful Tutor

{6}{w}{t}:You and target opponent each search your libraries for a card, revel them and choose one to go on to the battlefield under your control and the other on top of their library, spend mana as any color.
{8}{u}{t}:You control target opponents next turn.
{8}{b}Sacrifice a legendary permanent: Target opponent sacrifices a legendary permanent, put that permanent on the battlefield under your control.
{6}{r}{t}:Target opponents board get 3 damage for each spell the cast on their next turn.
{6}{g}{t}