Araphae, Starpact Witch

When Araphae, Starpact Witch enters the battlefield, you may exile an instant or sorcery
spell with converted mana cost 4 or less from
your hand.
{r}{3}{t}: You may cast an instant card with
converted mana cost 4 or less in exile without
paying its mana cost.
{u}{3}{t}: You may cast a sorcery card with
converted mana cost 4 or less in exile without
paying its mana cost.