The Face of the Franchise Pikachu has been the face of the Pokmon franchise since its very early days, and it is easy to see why
Promo cards in Pokemon TCG Pocket have always been problematic, as they not only promote FOMO to a degree, but they are currently not tradeable, nor is there a system in place to earn past ones
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When one or more cards are milled this way, exile target enchantment, instant, or sorcery card with equal or lesser mana value than that spell from an opponent's graveyard
Theres also a really nifty combo involving [c]Wheel of Fortune[/c] and [c]Narset, Parter of Veils[/c]
It even throws in the Prismatic Omen text for good measure, which makes it a core part of General Tazri and 5-color ally decks moving forward