Kieth, Eminence Grise

Eminence - You can't be the monarch. If the monarch would gain life, you gain that much life instead.
When Kieth enters the battlefield, target opponent becomes the monarch.
Whenever the monarch draws their second card
on each of their turns you may draw a card as well.
{1}{u}{t} You and the monarch Scry 2.
{2}{w}{t} Tap or untap target creature controlled by the monarch.
{3}{b}{t} You and the monarch sacrifice a creature.
{2}{w}{u}{b} Target player becomes the monarch