Triggering off any non-creature spells from artifacts to instants, whenever this dragon's controller casts a spell, they create a dragon token with flying, haste, and power and toughness equal to the spell's mana value
The inclusion of Treasure Mage in your Type 4 stack should be directly related to how many big artifacts it can fetch
Looking at you, Gix, Yawgmoth Praetor, and more importantly you, Krrik
Cards which slot into already existing archetypes Ignoble Hierarch in Jund Ignoble Hierarch gives the Jund colors access to a mana dork of the same caliber as Noble Hierarch, and any deck from BG Infect to Goblins will be looking to try the card out
If the result does not match the card in front of you, the slab is fake
Items are your unrestricted fuel