Jump Scare's goal is to surprise your opponents with top-end battlecruisers by manifesting them and then turning them face up at an opportune time
All around, this makes Aminatou, the Fateshifter a rough combo of narrow and not especially powerful, placing her at the bottom of our list
Its best friends with Derevi, Empyrial Tactician and Urza, Lord High Artificer, to the point where people usually ask during rule 0 discussions if you play Winter Orb when you present one of these commanders at the table
Plus particularly if you have green as a base color much of this fixing can get you any color of mana
Dont even get me started with the possibilities if you enchant a creature that can untap itself during the loop, like Pili-Pala or Battered Golem
Now that youre safely hanging out in the Active Spot you are free to power up Milotic ex to its Hypno Splash attack, dealing a moderate 160 damage but automatically putting your opponents Pokemon straight to sleep