What if Will of the Council Ties
It seems better-suited for artifact decks than Cataclysmic Gearhulk, which often eats up a bunch of your material with its effect
Some artifact payoffs, like Urza, Lord High Artificer and cards with affinity, might not care if the Opal taps for mana or not
Any non-equipment artifact and non-aura enchantment you have that has a mana value of 4 or more become a 4/4 elemental with indestructible, haste, and whenever they hit a creature, you draw a card
Players of this game known in-universe as Illumineers will wield magic ink that summons glimmers to gather lore
These are: Online card databases With a simple Google search, you can now have an idea of how much is a Pokemon card by looking for sites or downloading apps that show a definitive Pokemon card price list