If you were designing a deck with cards that create a high number of creature tokens, such as Scute Swarm, the best way to find cards that combo well would be to type "when a creature enters the battlefield" into the search bar
Meanwhile Red has access to a lot of targeted artifact hate - Manic Vandal, Ingot Chewer, and Oxidda Scrapmelter - and White has primarily access to the enchantment hate - Dawnbringer Cleric, War Priest of Thune, Wispmare
STEP 1: IDENTITY I believe narrative is essential to enjoying Commander, and Magic in general
While there are other weird things you can do with activated abilities on creatures, the bread and butter of the deck will be cards like Will, Scion of Peace for cost reduction, Beacon of Immortality for big mills, and Sphinx of the Revelation to draw a lot of cards
Go For the Esper Mana Value: 3U Rarity: Common Card Type: Sorcery Card Text: Create a 3/3 blue Robot artifact creature token