Forced Insanity

{b}, Exile a nonland card from your hand: Target
player reveals their hand. You choose a nonland
card from it. Exile that card. Activate this ability
only any time you could cast a sorcery.
{u/r}{u/r}: Until the end of turn, you may cast target
card exiled with Forced Insanity and spend mana
as though it were mana of any color to cast that
card. Activate this ability only when there are 7
or more cards exiled with Forced Insanity.