pokemon scarlet & violet twilight masquerade booster box Pokemon: - - Unveil the mysteries of Kitakami Pokémon TCG: Scarlet and Violet

Chase Cards: Charizard, Blastoise, Venusaur, Alakazam, Mewtwo, Chansey

This feels like something the Pokemon Company would use if they actually cared about their TCG history beyond reprinting Base Set Charizard

If the chosen permanent is copying something else (for example, if the chosen permanent is a Clone), then your Malleable Impostor enters the battlefield as whatever the chosen permanent copied, with the stated exceptions

Colossal Grave-Reaver Colossal Grave-Reaver gives you an incredible reanimation of sorts, because each instance of self-mill can be a free creature

Heatran's Illustration Rare card brings all four cards together, with each Pokmon existing on different lairs in the cave, with Heatran in the middle