You can swap in a few stronger Water-type cards from booster packs (not included) to enhance your deck's power
This may seem like it's not that productive, as your opponent will often die to regular damage first, but a lot of what makes poison counters special in Phyrexia: All Will Be One is the Corrupted mechanic, which is an ability word that turns on when your opponent has three or more poison counters
I would be a lot more excited if Kelloggs body made Junk tokens, but as things stand, I see Kellogg as being much better positioned to succeed in the average Cube than Boomer Scrapper, a card that I wish had even just a little more juice
Shiny Galarian Perrserker has already gotten two major cards, including a Gold Secret Rare in Sword & Shield Rebel Clash and a "Baby" Shiny Pokmon card in the special Shining Fates set
Similarly, if you have a Mew ex card in your Active Spot, you can also use the Budding Expeditioner to force it to retreat back to your hand
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