Erza Scarlet, Requip Wizard

You may cast equipment spells from you hand as though they had flash.
Once per turn, whenever an equipment enters
the battlefield under your control, you may
attach it to Erza Scarlet, Requip Wizard. If you
do, exile it at the beginning of the next end step.
You may cast equipment spells exiled by Erza Scarlet, Requip Wizard as though they had flash.
Equipment cast this way have Equip {0} and can
be activated any time you could cast an instant.