mtg control cards Rules Text: Gain of target creature, 124 Rules Text: Opponent gains control

The card has all the same abilities as its original version, so you could still play this in your top-tier Amethyst deck

And not really even because of power, but because of ubiquity

There are two other no-brainers, Sakashimas Student and Ink-Eyes, Servant of Oni

The Escape abilty also makes it really hard to get rid for your opponent's

While Dagger is fighting to protect Alexandria, Zidane's group makes its way from the surrounding town towards the castle to help her

Speaking from the uninformed perspective of someone who's never opened an Unfinity pack, the set looks like it would be fun the first time you tried it, and then never again (outside of an Attraction Commander deck, which admittedly sounds like a laugh)