Sapphire Medallion, Etherium Sculptor and Cloud Key are obvious includes here, but if your artifact creature count is high enough and particularly if youre on Treasure Mage, Trinket Mage et al then Semblance Anvil can do a lot of heavy lifting
His design is absolutely iconic (in the best way possible), sitting on his honey- centred throne, surrounded by his bee buddies, holding a honey stick (my brain cannot recall the actual word for this!) as his staff
The mythical Shadowspear was built to kill gods, and thats just what itll do
But it also lends itself to broken infinite combosI bet you can get started with Tezzeret the Seeker and a way to make Gogo an artifact
Both Lantern and Doc, Leader of the Seven Dwarfs, have similar ramping abilities, and they've both been staples in Amber decks previously