Serrin, Song of the Flames

Bards you control have "{1}{r},{t}: Gain control of
target creature an opponent controls with power less
than this creature's power until end of turn, untap
that creature, and it gains haste until end of turn."
{b}{w}{g}: Creatures you control get +1/+1 until end
of turn. Activate this only if you control a Saga.