Thinking Cap 
Artifact — Equipment
Appears in 73 of 71,694 decks (0.1%).
Appears with these commanders:
| Commander | Decks | Synergy ↓ |
|---|---|---|
| Ornithopter | 1 | None |
| Haberthrasher | 1 | None |
| Ardenn, Intrepid Archaeologist + Esior, Wardwing Familiar | 1 | None |
| Changeling Outcast | 1 | None |
| Oxidda Finisher | 1 | None |
| Undercover Butler | 1 | None |
| General Kreat, the Boltbringer | 1 | None |
| Adelbert Steiner | 1 | None |
| Codecracker Hound | 1 | None |
| Wraith, Vicious Vigilante | 1 | None |
| Agency Outfitter | 5 | 1.0 |
| Reckless Detective | 2 | 1.0 |
| Brambleguard Captain | 1 | 1.0 |
| Turtleshell Changeling | 1 | 1.0 |
| Signal Pest | 1 | 1.0 |
| Private Eye | 21 | 0.89 |
| Stoneforge Acolyte | 1 | 0.5 |
| Walking Bulwark | 1 | 0.25 |
| Filigree Attendant | 1 | 0.17 |
| Goblin Assassin | 1 | 0.12 |
| Darksteel Myr | 1 | 0.08 |
| Gimli, Counter of Kills | 1 | 0.06 |
| Ardenn, Intrepid Archaeologist + Toggo, Goblin Weaponsmith | 1 | 0.05 |
| Furnace Hellkite | 1 | 0.04 |
| Champion of the Flame | 1 | 0.03 |
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