The Ckaiscrullen

When The Ckaiscrullen enters the battlefield
search your library for instant or sorcery spells
with a total converted mana cost X or less and
exile them.
{t}{x}: Exile instant or sorcery spells with
converted mana cost X or less from your hand.
{t}: Copy a spell exiled with The Ckaiscrullen
you may cast it this turn without paying its
mana cost.