Cavern-Hoard Dragon is a massive dragon that generates Treasure tokens to go alongside Ancient Copper Dragon
This is also valuable in token decks, as generating a lot of 1/1 or 2/2 tokens would reliably trigger Enduring Innocent's card draw.
When crafting a set, new card designs are a powerful tool, and Magic 2010 helped us rethink when and where it was okay to use that tool, which has resulted in a lot of better Magic products
Wizards of the Coast began printing more cards as the game continued evolving
While it does get brief moments in the sun in formats like Standard, where 'white weenies' was especially popular during Kaldheim, in Commander white can be an incredibly difficult color to build for
This was a surprising revelation when researching Magics card database, but upon further reflection, I realized there are only a few multicolor cards I generally turn to when I want access to extra or stronger mana ramp effects, and most fall within a couple color pairs (Simic and Selesnya)