: Exile target instant or sorcery card from a graveyard. Roll a d20. Activate only as a sorcery.
1 - 9 | Copy that card. You may cast the copy.
10 - 19 | Copy that card. You may cast teh copy by paying
rather than paying its mana cost.
20 | Copy each card exiled with Wizard's Spellbook. You may cast any number of the copies without paying their mana costs.