The inclusion of Treasure Mage in your Type 4 stack should be directly related to how many big artifacts it can fetch

Aang and Katara Aang, Airbending Master Akoum Battlesinger Akoum Flameseeker Allied Reinforcements Allied Teamwork Allies at Last Ally Encampment Angelic Captain Appa, Steadfast Guardian Appa, the Vigilant Avatar Enthusiasts Bala Ged Thief Boiling Rock Rioter Bojuka Brigand Captain's Claws Chasm Guide Drana's Chosen Earth King's Lieutenant Earth Kingdom Protectors Firemantle Mage Founding of Omashu Gather the White Lotus General Tazri Gideon, Ally of Zendikar Graypelt Hunter Great Divide Guide Grovetender Druids Hada Freeblade Hagra Diabolist Hakoda, Selfless Commander Halimar Excavator Haru, Hidden Talent Hero of Goma Fada Highland Berserker Hook Swords Invasion Reinforcements Iroh, Tea Master Jasmine Dragon Tea Shop Join the Ranks Joraga Bard Jwari Shapeshifter Kabira Evangel Kalastria Healer Katara, Water Tribe's Hope Katara, the Fearless Kazandu Blademaster Kazuul Warlord Kor Bladewhirl Kor Entanglers Kyoshi Battle Fan Kyoshi Warriors Lantern Scout Loyal Fire Sage Mai and Zuko Makindi Patrol Makindi Shieldmate Malakir Soothsayer March from the Tomb Master Piandao Match the Odds Munda's Vanguard Munda, Ambush Leader Murasa Pyromancer Nimana Sell-Sword Oath of Gideon Ondu Champion Ondu Cleric Ondu War Cleric Oran-Rief Survivalist Path to Redemption Planar Ally

They arent auras, or creatures you control, or even separate permanents attached to the top one
Either bounce a single non-land permanent at instant speed for one and a blue, or Upheaval for 6 and a blue
(2023-09-01) If an adventurer card ends up in exile for any other reason than by exiling itself while resolving, it wont give you permission to cast it as a permanent spell
Its also one of the lesser-known cards for this kind of strategy, but you should definitely auto-include it from now on