Ward {2}

Whenever you cast a noncreature spell with mana value 3 or greater, draw a card.

{3}{U}: Exile Jin-Gitaxias, then return it the the battlefield transformed under its owner's control. Activate only as a sorcery and only if you have seven or more cards in hand.

I: Draw cards equal to the number of cards in your hand. You have no maximum hand size for as long as you control The Great Synthesis.

II: Return all non-Phyrexian creatures to their owners' hands.

III: You may cast any number of spells from your hand without paying their mana costs. Exile The Great Synthesis, then return it to the battlefield.