Mnemonic Sphere 
Artifact
Appears in 654 of 17,489 decks (3.7%).
Appears with these commanders:
| Commander | Decks | Synergy ↓ |
|---|---|---|
| Rasaad yn Bashir + Sword Coast Sailor | 1 | -0.02 |
| Watcher of the Spheres | 1 | -0.02 |
| Khenra Spellspear // Gitaxian Spellstalker | 1 | -0.02 |
| Third Path Iconoclast | 7 | -0.03 |
| Malcolm, Keen-Eyed Navigator + Breeches, Brazen Plunderer | 4 | -0.03 |
| Rilsa Rael, Kingpin | 3 | -0.03 |
| Tatyova, Benthic Druid | 2 | -0.03 |
| Araumi of the Dead Tide | 2 | -0.03 |
| Balmor, Battlemage Captain | 2 | -0.03 |
| Lore Weaver + Ley Weaver | 1 | -0.03 |
| Aegar, the Freezing Flame | 1 | -0.03 |
| Narfi, Betrayer King | 1 | -0.03 |
| Sultai Soothsayer | 1 | -0.03 |
| Bear's Companion | 1 | -0.03 |
| Ruin Crab | 1 | -0.03 |
| Tatyova, Steward of Tides | 1 | -0.03 |
| Lagrella, the Magpie | 1 | -0.03 |
| Raff, Weatherlight Stalwart | 1 | -0.03 |
| Murmuring Mystic | 1 | -0.03 |
| Keleth, Sunmane Familiar + Esior, Wardwing Familiar | 1 | -0.03 |
| Rona, Sheoldred's Faithful | 1 | -0.03 |
| Arwen Undómiel | 1 | -0.03 |
| Melek, Izzet Paragon | 1 | -0.03 |
| Soulherder | 1 | -0.04 |
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