how rare is a pokemon break card Trading Game Evolves from Starmie Type Pokémon BREAK (TCG) - Bulbapedia,

This is a mechanic that triggers when you control three creatures with different powers

For example, in a deck with minimal tutoring, I might run 10+ card draw spells, but if I have tons of tutors then I can trim my card draw down to just the 5 best options

This makes the card a definitive grab for collectors seeking to complete the Team Rocket gallery that Destined Rivals thoughtfully builds around

I think its pretty decent, and definitely playable in Vampires decks

Because damage remains marked on creatures until the damage is removed as the turn ends, nonlethal damage dealt to creatures you control while Porcelain Gallery is unlocked may become lethal if other creatures you control leave the battlefield during that turn

Sometimes this happens because a little too much ink got transferred onto that layer