Mara, Chains of Grimlore

Flying, lifelink, haste
{p/b}{p/r}{p/w},{t}: Bind to the Earth — Target creature
gains a bound counter, it has, "Target creature
loses flying and gains -4/-2."
{p/b}{p/r}{p/w},{t}: Dominate the Mighty — Mara, Chains
of Grimlore taps a target creature with a bound
counter on it. At the beginning of your next
upkeep, gain control of target creature, it
loses its bound counter.