Beyond those, however, the Mentor cycle of cards exemplifies this concept fairly well
The sparking pylons, the sprawling pipework, and the ominous red glow lend themselves to the perception of technology as remarkable yet somewhat frightening advancement in the universe of Magic: The Gathering
Pinging for 1 damage is negligible on its own in Commander, but certain decks in the format such as Group Pain decks led by Mogis, God of Slaughter or Kaervek the Merciless load up on these types of cards and the damage quickly adds up: when you're running Immolation Shaman, Harsh Mentor, Furnace of Rath, Manabarbs, and similar effects
It lets you get more Rats into your hand quickly, digging through your deck for your best Rat cards
If youre sitting on any of these classic commons, you might have a bit of treasure tucked away in your bulk