There are definitely times when it'll be your all-star card, but I can also imagine cutting it from the deck that's not got many instants
Her ultimate is a classic game-ender, and can even be used immediately if you pay full price, making it a refreshing change from the planeswalker norm
In fact, in forty seconds, I made a Sasaya deck just now: "Sasaya It Aint So" Creatures (4) 4 Sasaya, Orochi Ascendant Spells (4) 4 Treasure Hunt Lands (52) 4 Dryad Arbor 4 Kessig Wolf Run 44 Other lands that are good See, that wasnt hard, was it
If any damage would be dealt to him, The Betrayer prevents that damage and you choose an opponent to gain control of him
Ghalta, Stampede Tyrant Ghalta, Stampede Tyrant packs an absurd amount of power into its one triggered ability, letting you dump your entire hand of creatures on the battlefield when it enters