Czhysceine, Supreme Magus

{u}{u}, {t}: Choose up to one artifact, enchantment, creature, or land. Czhysceine, Supreme Magus gains all abilities of that permanent.
{t}; Sacrifice Czhysceine, Supreme Magus: Choose up to one instant or sorcery in a graveyard. Exile that card, then cast a copy of that spell without paying its mana cost. You may pay for alternative or additional costs.