I use that and it works. Just let him 🔥 one of your monsters in order to have it in attack position or let him have a stratos alive, change its position with rosemary then proceed to attack with ra
🔥 all the Neos monsters before he can use Wrath of Neos.
More often than not, he only has the weaker Neos Alius instead of the actual Neos on the field, and Neos Alius needs to be Normal Summoned a second time to turn it into Elemental Hero Neos.
So he actually has very little chance to activate Wrath of Neos.