mtg triome cards Proxy Land Set – 10 Card Ready-to-Play Collection – Stunning Custom Artwork – 100% USA Made or .) This land enters tapped Savai Triome

The other possibility is playing Invasion of Regatha in a dedicated burn deck since the backside seems pretty powerful with Play with Fire, Lightning Strike, and friends as a weird twist on Torbran, Thane of Red Fell, although I'm not sure a burn deck wants to use multiple burn spells or attacks to remove the five defense counters to defeat the battle

Furthermore, the way the deck is setup is very formulaic

It doesn't take many commander games for you to find the likes of Phyrexian Tower, Yavimaya, Cradle of Growth, and Three Tree City

They build a web of synergies where generating Treasures simultaneously advances board position, fuels card advantage, or threatens an alternate win condition