The Hunters Grand Abolisher as "Dual-Bladed Hunter" Archaeomancer as "Hero of Hoarfrost Reach" Grim Haruspex as "Nargacuga Stalker" Imperial Recruiter as "Bherna Huntmaster" Champion of Lambholt as "Champion of Kotoko" Each of the Hunters here is a relatively cheap mono-colored creature that really leans into each color identity
If such an ability requires a target, you can target a Room even if both of its doors are locked, but the ability won't do anything when it resolves
Tap: Add two mana of any one color
Final Fantasy has an artifact theme in Esper led by Noctis, Prince of Lucis, which lets us cast artifacts from our graveyard, and supported by cards including Golbez, Crystal Collector, Ashe, Princess of Dalmasca, and Edgar, King of Figaro
Nature's Claim is dirt cheap, but it's just not main deck material
[c]City of Brass[/c], [c]Mana Confluence[/c], [c]Exotic Orchard[/c], [c]Forbidden Orchard[/c], and [c]Gemstone Caverns[/c]: are all functionally similar to [c]Command Tower[/c], only they come with slight downsides and restrictions