Saoirse, Siren Exemplar

At the beginning of each opponent's combat damage step, gain control of all attacking creatures with power 0 or less for as long as
you control Saoirse, Siren Exemplar.
{1}{u/b}: Target attacking creature gets -1/-0 until
end of turn.
{x}, {t}: X target creatures attack this turn if able.
"Come to me unburdened, unhindered."