Ditto - 132/165 - SV: Scarlet & Violet 151 (MEW) - Reverse Holofoil

Ability — Transformative start
Once during your first turn, if this Pokemon is in the Active Spot, you may search your deck and choose a Basic Pokemon you find there, except any Ditto. If you do, discard this Pokemon and all attached cards, and put the chosen Pokemon in its place. Then, shuffle your deck.

[1] Splup (10)