When Sultai Emissary dies, manifest the top card of your library. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
To the Sultai, Ugin's power was just one more resource to be exploited.
![Sultai Emissary [Fate Reforged] MTG Single Magic: The Gathering | Multizone: Comics And Games](http://multizone.ca/cdn/shop/products/c35c4c1f-600b-5eed-a73c-084d5558c9fe.jpg?v=1700367866)
