Hidaya, Mentor of Mettle

Vigilance, double strike
Other creatures you control with haste, vigilance, first strike, or double strike get +1/+1.
At the beginning of each combat, you may pay {x} and choose haste, vigilance, or double strike.
If you do, up to X target creatures gain that ability until end of turn.
Followers of Hidaya continue her legacy through countless deeds of bravery.