If you really wanted to cover all the bases, you could add 9 more cards that, according to my research, are rarely but occasionally played competitively these days: Arrogant Wurm, Beetleback Chief, Bottle Gnomes, Fyndhorn Elves, Order of Leitbur, Order of the Ebon Hand, Portent, Shield Sphere, and Whispers of the Muse
It only takes a few spells for it to become a massive attacker, and a few instants make it into a surprisingly powerful blocker
This rule includes a player's own commander, which can deal combat damage to its owner if it is controlled by another player or if its combat damage gets redirected to its owner
We are already in the era of Pokmon Black and White, with the Pikachu edited in 2001 for an event at the Tokyo Tower for beginners