Stakataka

It appeared from an Ultra Wormhole. Each one appears to be made up of many life-forms stacked one on top of each other.

Ability — Wall of Stone: If your opponent has 3 or fewer Prize cards remaining, this Pokémon’s maximum HP is 200.

Top Down (110): Flip a coin until you get tails. For each heads, discard the top card of your opponent’s deck.