This could be a funny commander if you know your playgroup always plays token decks or Kiki-Jiki, Mirror Breaker combos, but I cant see a reason to play this outside those super narrow metagame calls
At the very least, it has a high ceiling as a 2-mana creature with no cap on how much mana it can produce
GX versions include: Decidueye, Lurantis, Incineroar, Lapras, Primanrina, Espeon, Lunala, Umbreon, Solgaleo, Taurus and Gumshoos
The drain spirals out of control quickly
But the one green cost tends to price it out of most decks that usually want ritual spells, which limits its power level quite a bit
Shiny Pokmon holds a special allure, and Pikachus shiny variant is one of the most sought-after cards for collectors due to its rarity and charm