Royal Shield Tiles in Wakanda Event

I can't figure out the criteria for the enemy stealing the shield tiles created by the Royal Shield Tiles from the second round of the new Wakanda Event. Does anyone know? Can I steal them back somehow? This is all very confusing.
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The combo of generating so many shield tiles, but flipping all of them when any counter expires, seems like a recipe for frustration. Hopefully the devs take note of that.
Medusa throughly enjoyed the plethora of special tiles. Only node that was challenging was 5E, mainly because of the HP pools and Sentrys red power.
I just wish they would take from both sides, since we are supposedly protecting wakanda, and they only steal from the player not the enemy.
if they flip to enemy shield and only steal AP from me.
"Neutral" basically means "not an enemy countdown any more". So if you are fighting someone who benefits from countdowns resolving (C4rol D4nvers comes to mind...) they will no longer benefit from hazard tiles resolving. That's... something at least.
With a whole bunch of enemy shield tiles on the board, they're at 1 pt each with Venom's passive at 5. When you use Loki's Black (also at 5) suddenly those shield tiles are all strike tiles for you, and they're no longer at 1 point each. The match ends very, very quickly after that.
4* Electra, Loki, and 4* Iron Fist helped me a lot through that round.
Electra and Loki stole them back and changed them to Strike tiles preventing them from being stolen back. Iron Fist on the other hand could convert your Protect tiles to Stike tiles BEFORE they can be stolen in the 1st place. Considering the cost of his Black without an Accelerant (like Cloak & Dagger), this wasn’t as useful.