Evolutionary Casting

Whenever an instant or sorcery is put into a graveyard put a verse counter on this card.
Magecraft- Exile the top X cards of your library, where X is the number of verse counters on Evolutionary Casting. You may cast an instant or sorcery if its mana value is less than X. Shuffle all cards not cast back into your library.
Remove 20 Verse counters from this card: Each player shuffles their graveyard and hand into their library and draws seven. Life totals can't change until the end of your ne