The absolute best way to double those tokens is different depending on your situation, but the universally useful Parallel Lives, Primal Vigor, and Doubling Season always work
"Yeah, he lives over there, A.J trains Savage Pokmon, he built his own gym, he's never lost a single match!" explains The Littlest Hick-Bo
Each other player will sacrifice a creature each time one of those abilities resolves
The first Pokmon film depicts Mewtwo destroying the laboratory of its creation, lifting a fully equipped research facility and incinerating it without physical contact
Ow is a card showing some poor schmuck getting a rock smashed over his head, and the effect is pretty fun, forcing players to say 'ow' any time they take face damage
They offered powerful, much-needed reprints for players, and a whole new ier of rarity for collectors: the Quarter Century Secret Rare