25th anniversary pokemon cards booster box TCG: Johto Pack : Toys & Games so specific cards Pokemon 25th Anniversary Celebrations Booster

While the effect can be powerful, getting two Puzzle of Time in your hand at the same time when you need to use the effect is going to be a challenge

When this card inflicts battle damage to your opponent: You can make all monsters your opponent currently controls lose 1000 ATK/DEF

If this card in the Monster Zone is destroyed by a card effect and sent to the GY: Each player takes 800 damage

RetroCosmosAKA1000694 99.5 KB Furthermore, all images I can find online of these Alakazam ex Collection promotional cards show a Neo-Cosmos Abra alongside a Retro-Cosmos Kadabra

The most recent of these was Oko, Thief Of Crowns from the notoriously powerful Thrones Of Eldraine set

I hope to see you again