Picking Androxus is a good idea to counter willo
Her seedling with legend card can do 4250 if you use reversal you can do 4250x0.75=3187.5(more than her maximum health)
It's difficult for she to hit you while flying
Never use seedling for androxus he can reversal up to 3187.5
If he is flying try to make him go near the wall so you can shot him easier
Try to note facing him 1vs1