Or, heck, why not make all your creatures into veritable Persist threats with Cauldron of Souls
Most iconic of all is a card called Electric Seaweed, a plant wall which will instantly be recognizable and terrifying to everyone who died in the bomb-defusing level in the NES game
Whichever side of the card we want to play, there is something to be had with both Repudiate and Replicate
While you would be hard-pressed to find a Commander deck that does not run any artifacts at all, there are numerous commanders who incentivize you to run a significant amount of artifacts due to the synergies provided by their respective commanders
Its second ability wont matter most of the time, but its already good enough as an annoying, cheap creature
And while there are a lot of cards that just straight-up generate more mana, Sword of Feast and Famine stands out for being an equipment card