The only artifact land that comes into play untapped that’s legal in Modern is Darksteel Citadel. While we recently received a cycle of common dual lands tapped like Mistvault Bridge, the original Mirrodin lands like Seat of the Synod are all banned in Modern. However, we just got a new one to add to the collection in Adventures in the Forgotten Realms‘ Treasure Vault.
Adventures in the Forgotten Realms surprised us all by putting Treasure Vault directly into Modern, a card that will greatly improve Affinity. The archetype already got a huge boost with Modern Horizons 2, as I noted in my deck guide.
Having access to eight Darksteel Citadel lands and some amount of taplands will mean that we can push the “affinity for artifacts” cards through the roof here. I was always hesitant to play too many Myr Enforcer and Thoughtcast, since I’d be afraid of getting flooded with them and not deploy enough stuff in the early game. That’s why you see my past list with four copies of Emry, Lurker of the Loch, since that would be the perfect gap between early and lategame “affinity for artifacts.”
Now though, we have effectively eight Ancient Tombs for them (yes, artifact lands each count for two mana for your Sojourner’s Companion, Thought Monitor, Thoughtcast, Frogmite and Myr Enforcer), I can finally pull the trigger and load up on Myr Enforcer and Thoughtcast. I did have to make some sacrifices though, cutting Glimmervoid and some colored taplands, making it almost impossible to splash a second color in the sideboard.
My current deck configuration will be cold as ice to a Kataki, War’s Wage or Stony Silence, but then again, Affinity always had a hard time battling against sideboard hate – that’s always been its weakness.
2 Thoughtcast 4 Frogmite 4 Memnite 4 Ornithopter 4 Cranial Plating 4 Sojourner's Companion 1 Shadowspear 4 Springleaf Drum 4 Thought Monitor 2 Welding Jar 4 Urza's Saga 1 Paradise Mantle 4 Darksteel Citadel 2 Island 4 Treasure Vault 4 Mistvault Bridge 4 Mishra's Bauble 3 Myr Enforcer 1 Gingerbrute Sideboard 3 Etched Champion 3 Metallic Rebuke 3 Soul-Guide Lantern 1 Grafdigger's Cage 1 Pithing Needle 2 Damping Sphere 2 Emry, Lurker of the Loch