The card filtering and selection is another big factor for blue's power
The power creep is undeniable but, on the plus side, it does mean that you've probably picked up some incredible cards this year
Breaking the Fourth Wall: Ramza may break the Framing Device if you attempt to dismiss him from your party, but avoids breaking the "main" fourth wall
Starting with the first common-rarity Elf in Magic history, Llanowar Elves, Elves have always been a top-shelf option for players looking to ramp into beefy threats and that throughline continues into modern-day Commander
Tokens like Koma's Coil can hold value despite being in packs, offers practical in-game utility
If you are having trouble finding something, use Scryfall as they have everything listed