pokemon gold radio card - Superior Energy Retrieval 277/193 - Paldea Evolved Opal Rainbow Gold Metal Pokemon

Its Monstrosity ability, for 12 whole mana, turns it into a 20/20, which would be a total of 19 mana for a 20/20 creature that clears its own path through on the way to your opponent's face

Even better in decks that care about Creature / Elf / Warrior Underrated Budget EDH Card #18: Ranger of Eos ($2.87) There are A TON of amazing 1cmc creatures in Commander (I've linked a few below)

This is really good on rate and is the kind of Common you'd play as many copies of as you can get

If you run a lot of Dimir creatures, like these or Baleful Strix, the discard can also put extra strain on any removal your opponents are holding on to