Issue: Nidhogg won’t attack Yinglong under most circumstances. When you get him to attack he doesn’t use his air myth unit attack, instead attacking as if they are a ground unit.
Trigger Event: Have Nidhogg attack Yinglong or vice versa. If you control Nidhogg he will not attack. If you control Yinglong you can get Nidhogg to attack by retreating briefly.
Repro Steps: Have Nidhogg attack Yinglong or vice versa. If you control Nidhogg (video 1) he will not attack. If you control Yinglong (video 2) you can get Nidhogg to attack by retreating briefly.