Ditto's Sudden Transformation can use Terrakion's Cavern Tackle every turn.
Just fought someone that can use Cavern Tackle via Ditto to get immune from damage every turn without any repercussion. I'm pretty sure this is an illegal move by PTCG ruling. Please fix this. It's pretty annoying and game-breaking. Here's the battle log: Setup Kaskaede chose heads for the opening coin flip. Kaskaede won…