There's definitely a lesson to be learned about the appeal of UB, noted u/fnordal on yesterday's reddit thread discussing the MTG Arena outage
There is no best ink combo out there
The way challenging works is a ready (untapped) character exerts and chooses an opposing exerted character to challenge, and then both cards compare their strength (attack) and willpower (defense) values to each other (meaning the attacker automatically gets hit back by the defender)
Ariel, On Human Legs x2 Cinderella, Gentle and Kind x2 Hades, Lord of the Underworld x1 Heihei, Boat Snack x2 Maximus, Relentless Pursuer x2 Mickey Mouse, True Friend x3 Minnie Mouse, Beloved Princess x3 Moana, Of Motunui x1 Stitch, New Dog x3 Be Our Guest x2 Control Your Temper x2 Hakuna Matata x2 Part of Your World x1 Dinglehopper x3 Dr