mtg golem cards Mycosynth put two 3/3 colorless Golem artifact creature tokens onto the battlefield Enatu Golem MTG - Rise

Once you have finalized your playing card size, you need packaging that fits perfectly and looks on-brand

Fleetwheel Cruisers enters-the-battlefield trigger answers the whole multiples issue pretty well

Mono-Color Guilds Shards and Wedges Four Color Five-Color Partners The Do-Over Project The Do-Over Project is the next step after the Chromaticbuilding a deck with each of the same Commanders, but not repeating any cards save for basic lands (props to Abe Sargent Next 99 idea)

If your idea of an elf deck is heavily rooted in these denizens of Middle-earth, Galadriel of Lothlrien is the Simic commander for you

Its probably best to choose just one of these treasure-adjacent themes to incorporate, as they each encourage us to play in different ways