There have been other gimmicks too, like how Midnight Hunt and Crimson Vow featured glow-in-the-dark d20s, perfect for anyone who loves to play Magic in an unlit basement
And yes, while lands are technically colorless, Ketria Triome still taps for all the Temur colors, is fetchable since it has all three Temur basic land types, and has a Temur color identity as far as the rules of Commander are concerned
So, any instance of Tinybones sees these as viable cards
It can also work well in decks that use their own graveyard as a resource where milling cards is comparable to card draw
Alternately, we could get a Chandra, but I had trouble finding one that made sense here
This three-mana sorcery lets you search your library for a Dragon creature and add it to your hand