1.Egg thief explodes all table and summons eggs.
2. If you get a pair extra turns on falling skulls, eggs will be killed by Mithrillions trait.
3. Repeat 2-3 times
I think the original bug was “nothing more” than spawning on the other side, as you describe, right? But in this case, it’s acting like some kind of fifth troop, having merged with Mithrilion in the top slot lol. Or at least, to me this is new behaviour!
I think there’s always been varying degrees of overwriting —hybrids can happen if the opponent still exists, pure wrong-sides if there are empty slots.