Bump. I’ve noticed this behavior of not putting out green tiles (board less than 9), or putting out less than 3 green tiles during this boost week.
This still seems to be happening. I don't usually use him, but I've been using him while he's boosted, and I'm seeing very inconsistent behavior with this power, against enemies that shouldn't have any effect on it.
Can confirm that it's not consistently triggering, even on 2nd turn after match starts. I've had it not trigger whether he's in front or in the back. Does the damage but doesn't trigger green tile generation (and no enemy abilities blocking). Happened w 3 green on board, 4 on board, 5 on board.
happened to me too in the puzzle gauntlet (we fight him on a mission), but his power worked on my attack tiles, just not on basic or protect tiles, but every non-green attack tile i had was turned into a green tile at the start of his turn. idk if it can help, but for me it was not random.