1) they waste your attacks unlike confuse , especially if you have a striker moga , you can waste all 5 zodiac attacks without a single hit
2) they make you waste some special abilities, you will miss couple of times until you land them ( if ability lands on other moga)
what moga ?
Yara tank with happy feet,
I will avoid him in PVP levels 20-24 because Yara is one of the best PVP moga at this level , has happy feet 5 already and shield of thorns 5 ( chance for 400 damage at level 20 and 25% of activating it on 15 hits he will activate it 4-5 times on average) most moga get both abilities at level 30 or 40 but Yara gets them at 20 , also most moga have 15% chance of activating random ability at this level while Yara has 25%
When my Yara was level 20-24 i rarely needed to put 2nd moga in PVP he would take out 2 or 3 moga alone
He is easier to deal with at higher levels 30+ in PVP because he loses advantage of high level abilities he gets early, but he is still super annoying