Shiva, Diamond-Dust Mistress

Flying
Esperfade {1}{u}{u} (You may cast this spell as if it
had flash for its Esperfade cost. If you do, it returns
to its owner's hand at the beginning of their controller's
next end phase.)
On your second main phase, If Shiva, Diamond-
Dust Mistress did not attack this turn, tap up to
two creatures each opponent controls. They do
not untap at the next untap step.