phantasmal flames pre order booster box Pokémon TCG: Mega Evolution—Phantasmal Bundle : Toys & Games Mega Heracross ex Pokémon TCG: Mega Evolution-Phantasmal Flames

Card Text 2 [Inherited Effect] Partition (purple Lv.4 & red Lv.4) (When this Digimon with each of the specified digivolution cards would leave the battle area other than by your effects or a battle, you may play 1 each of the specified cards without paying the costs.) Notes Booster BEGINNING OBSERVER [BT16] Errata Card Card Q&A Q2663 Jun

Introduces the "Diabellstar" archetype

However after looking at some of the slabs carefully, I noticed that they are definitely fake

This card both gives you a +1/+1 counter and then allows you to proliferate, functionally giving you +2/+2 and ensuring that you will always have at least one counter to proliferate

You'll have to look up this information online, as there are many promo cards, each with a different number and release date