Emra-Cool, the Epic Moment

Partners with Cool-amog, the Slick Trick and
Cool-zilek, the Based Behemoth. (You may have
all three of these creatures as your commander)
Protection from Instants, Sorceries and Enchantments you don't own.
{10}, {t}: Gain control of target creature until end
of turn. This ability costs {1} less to cast for each
time this ability has been activated this game.