Puntsooj's Will

While Untapped, All players cannot cast any
instant or sorcery spells
Puntsooj's will does not Untap during the Upkeep Phase
{u}{u}{u}{u}{t}:All players may cast Blue instant or sorcery cards from their hand without paying its
mana cost until controllers Untap Phase
{9}{u}{u}{u}:Untap Puntsooj's will
His secrets are yours