![Sacred Foundry [Edge of Eternities Prerelease Promos]](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780995681/sacred-foundry-edge-of-eternities-prerelease-promos.webp)
| Set: | Edge of Eternities Prerelease Promos |
| Type: | Land Mountain Plains |
| Rarity: | Uncommon |
Artifact spells you cast cost {1} less to cast. “Delicate resonance detectors could scan the assembly lines for metallic impurities, loose bolts, and freak occurrences of sentience.”Tawnos, proposal for overseer prototype
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![Cone of Flame [The List]](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780987992/cone-of-flame-the-list.webp)
![Nexus Mentality (Extended Art) [Secrets of Strixhaven Commander]](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780987992/nexus-mentality-extended-art-secrets-of-strixhaven-commander.webp)
![Sun Titan (Borderless) [Secret Lair Countdown Kit]](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780987992/sun-titan-borderless-secret-lair-countdown-kit.webp)