3.Gengar & Mimikyu GX #165 Team Up Poltergeist50 dmg Your opponent reveals their hand
You may turn this conspiracy face up any time and reveal that name.) Whenever a creature you control with the chosen name enters, you may search your library for any number of cards with that name, reveal them, put them into your hand, then shuffle
It eats away at opposing graveyards early, you can crack it to handle more fearsome threats at instant speed, and it replaces itself
Slightly better is the 'You'll Be Sorry!' ability
Upon seeing this, I quickly scanned through all of the available decks, and they were all kinda bad
while Lathril might opt for it, other decks prefer to make different kinds of tokens