Zephayna, Stylish Mind Mage

When Zephayna, Stylish Mind Mage enters the battlefield exile target players hand face up and that player draws cards equal to the amount of cards exiled, you may spend mana as if it were any color to cast cards exiled with Zephayna, Stylish Mind Mage
Whenever you cast a spell exiled with Zephayna, Stylish Mind Mage you may have target player exile a card at random from their hand, if you do that player draws a card