Its an interesting way to kill 1/1 tokens while it keeps your instant count high and has utility as a combat trick or even a removal spell if your opponent drops a really scary X/1 like Orcish Bowmasters or Birds of Paradise
Take Tendrils of Agony for example, it would take a storm count of 10 to reduce a person from 20 life to 0
Being able to put 130 damage on board for 1 Fighting on a 1 point Pokmon is freakishly efficient regardless of the downside, and its big weakness of being a Stage 2 can be mitigated by "Rare Candy", meaning the only real issue with "Rampardos" is its Basic form not being searchable with "Pok Ball" due to being a Trainer Card
3 CARD VIEW ST21-015 | SR | CHARACTER Roronoa Zoro Attribute Slash Block icon 3 Effect [DON
On the bright side, WotC is always finding new ways to make mill more viable in EDH
In addition, Charizard is a favorite dragon of many players, even some influencers join in to collect this card