>>28167359Not him, but he's alluding to a rotation system making power creep irrelevant.
You don't compare a Steam Siege card to Base Set because you literally can't use them together.
You compare Steam Siege to XY (or Primal Clash in a day), because that's the oldest legal set.
Additionally, only the numbers have expanded.
Look at base set Trainers that didn't have the Supporter clause, items like Energy Removal vs today's Crushing Hammer, pic related vs
>>28164174, and how the original Blastoise was still getting reprinted almost 1:1 20 years later. Everything unrelated to damage or HP was a lot stronger back then.