Thinking Cap 
Artifact — Equipment
Appears in 34 of 47,665 decks (0.1%).
Appears with these commanders:
| Commander | Decks | Synergy ↓ |
|---|---|---|
| Agency Outfitter | 4 | 1.0 |
| Reckless Detective | 1 | 1.0 |
| Changeling Hero | 1 | 1.0 |
| Stoneforge Acolyte | 1 | 1.0 |
| Brambleguard Captain | 1 | 1.0 |
| Private Eye | 11 | 0.92 |
| Walking Bulwark | 1 | 0.25 |
| Goblin Assassin | 1 | 0.17 |
| Darksteel Myr | 1 | 0.12 |
| Gimli, Counter of Kills | 1 | 0.08 |
| Champion of the Flame | 1 | 0.05 |
| Illuminator Virtuoso | 1 | 0.02 |
| Gut, True Soul Zealot + Cloakwood Hermit | 1 | 0.02 |
| Crime Novelist | 1 | 0.02 |
| Wispdrinker Vampire | 1 | 0.02 |
| Rograkh, Son of Rohgahh + Ardenn, Intrepid Archaeologist | 2 | 0.01 |
| Valduk, Keeper of the Flame | 1 | 0.01 |
| Bruenor Battlehammer | 1 | 0.01 |
| Kemba, Kha Regent | 1 | 0.01 |
| Balmor, Battlemage Captain | 1 | 0.0 |
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