Cluttered Alcove

{t}: Exile an instant or sorcery card from
your hand.
{t}, {x}: You may cast a copy of target
sorcery card exiled with Cluttered Alcove
with converted mana cost X without
maying its mana cost.
{t}, {x}{x}: You may cast a copy of target
instant card exiled with Cluttered Alcove
with converted mana cost X without
maying its mana cost.