Without any way to punish this card draw like Sheoldred, the Apocalypse, this can be a liability
Combo pods : Choose pressure decks with light combos or disruption ( Mikaeus , Varina )
I would use this card primarily for its Ability, because of its Ability, I would build a deck that includes a fair amount of stage 1 and stage 2 Pokemon cards that require a lot of energy cards to attack, that way, I could evolve into those Pokemon, put them into the active Pokemon spot and still be able to attack with one of their previous evolutions
With Oskar you can either force everyone to discard cards while being able to play your discarded cards, or you can benefit twice from loot and wheel effects
Pokemon Card Game 25th Anniversary Collection Box x1 Pikachu (No Promo)
Additionally, they offer an extra layer of protection against fingerprints, scratches, dust, and the natural wear and tear that comes with regular handling