mtg sets with serialized cards Premium Ragavan card sells for $6500+ MTG - Ornithopter Serialized Card

With Infect creatures shrinking blockers, Planeswalkers everywhere and Sagas that are fun to keep on their first mode keep getting printed, its very useful

Aerith Gainsborough Legendary Creature Human Cleric Lifelink Whenever you gain life, put a +1/+1 counter on Aerith Gainsborough

You can exert the Map of Treasure Planet to pay one less ink for your next location, but the real power comes from the second ability

Best yet, you can build this deck for under $50 and still legitimately compete at a casual table

WotC notes that the card promotes a lot of fun angles for Commander players, and while powerful, the green artifact can be interacted with and requires some setup to get into play