Aedryanna, Temporal Witch

Players may only cast instant spells any time they
could cast a sorcery spell, and opponents may not
cast sorcery spells from their hands, graveyards,
or libraries. Any player may ignore this effect for
one spell as they cast it by also paying life equal
to the converted mana cost of that spell plus one.
Sorcery spells gain suspend 1. Their suspend cost
is equal to their casting cost minus {1}.
(It's actually just for the converted mana cost.)