Gemini Saga

Whenever Gemini Saga becomes tapped, flip a
coin. If you lose the flip, target opponent gains control of Gemini Saga until the end of the next
turn.
{2}{r}, {t}: Gain control of target creature an
opponent controls until end of turn. Untap that creature. It gains haste until end of turn.
{x}, {t}: Exile target creature with converted mana
cost X.