CardName: World Seal
Cost: {3}{W}{U}{B}{R}{G}
Type: Sorcery
Pow/Tgh: /
Rules Text: Each player shuffles their hand, graveyard, and all cards
they own on the battlefield into their library. Then choose
an opponent. Each player would exile the top card of that
player's library when he or she would draw a card and may
play all cards that he or she exiles this way as if he or
she were casting them from his or her hand.
Flavour Text:
Set/Rarity: Isolation Mythic
World Seal
M
Sorcery
Each player shuffles their hand, graveyard, and all cards they own on the battlefield into their library. Then choose an opponent. Each player would exile the top card of that player's library when he or she would draw a card and may play all cards that he or she exiles this way as if he or she were casting them from his or her hand.
You can't draw cards from someone else's library--that's why Shared Fate has to go to the lengths it does.
Would it be better to just use Karn Liberated's "restart the game" technology?