Can you use Gust to return Teemo-Scout to hand before his ability resolves and he gains +3 might?

Ruling: Yes, you can use Gust to return Teemo-Scout to hand before he gains the +3 might boost.

Sequence:

• Teemo-Scout is played (from hand or after being hidden)
• Teemo's ability triggers and goes on the chain
• You can react with Gust to return him to hand
• Teemo returns to hand before the might boost resolves