Every now and again I "spring clean" it to make sure it isn't too much above 600 cards
$0.35 Workshop Assistant Commander Legends $1.29 Foundry Inspector Commander Legends $0.59 Junk Diver Modern Horizons 3 $2.29 Weftstalker Ardent Edge of Eternities $0.39 Nimblewright Schematic Commander Legends: Battle for Baldur's Gate $0.35 Leonin Elder Mirrodin $2.29 Candy Trail Wilds of Eldraine $0.35 Nutrient Block Edge of Eternities $0.35 Instant Ramen Final Fantasy $0.35 Clockwork Fox Commander Legends: Battle for Baldur's Gate $0.59 Circuit Mender Bloomburrow Commander Decks $0.79 Prized Statue Commander Legends: Battle for Baldur's Gate 0 results found
Then you can also pump all of your Merfolk too...wowzer bowzer
I love Ugin and I have no problem with anyone who plays him in a Dragon Tribal deck
Many other cards on this list like Trinisphere and Chalice of the Void get significantly better the more Moxen you have available, and significantly more backbreaking when you are reliant on Moxen, but face down one of these on the draw
While I dont necessarily recommend jamming as many creatures with high mana cost and easy cost reduction into your deck as possible to abuse one mana acceleration spell, if youre already playing a few in your deck, try Energy Tap and let me know how you spent your free 8-15 mana