Deduce

Secrets of Strixhaven Mystical Archive (SOA) #16 · Uncommon · Instant

Mana cost: {1}{U}

Draw a card. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

"Do not overlook the unusual, for therein often lie the keys to the unknown."
—Alquist Proft's case journal

Illustrated by Dominik Mayer · Released April 24, 2026

Prices

Nonfoil price since July 24, 2026: no net change at $0.18 USD; low $0.16 USD, high $0.30 USD.

Secrets of Strixhaven Mystical Archive #16 (this printing) · Uncommon · 2026 · $0.18 USD
Murders at Karlov Manor #293 (MKM) · Common · 2024 · $0.24 USD
Murders at Karlov Manor #52 (MKM) · Common · 2024 · $0.23 USD

2024-02-02 · wotc — Clue is an artifact type. Even though it appears on some cards with other permanent types, it's never a creature type, a land type, or anything but an artifact type.
2024-02-02 · wotc — You can't sacrifice a Clue to pay multiple costs. For example, you can't sacrifice a Clue token to activate its own ability and also to activate Alquist Proft, Master Sleuth's ability.
2024-02-02 · wotc — Some spells and abilities that investigate may require targets. If each target chosen is an illegal target as that spell or ability tries to resolve, it won't resolve. You won't create any Clue tokens.
2024-02-02 · wotc — Some abilities trigger "whenever you sacrifice a Clue". Those abilities trigger whenever you sacrifice a Clue for any reason, not just to activate a Clue's activated ability.
2024-02-02 · wotc — If an effect refers to a Clue, it means any Clue artifact, not just a Clue artifact token. For example, you can sacrifice Wrench to pay for Alquist Proft, Master Sleuth's activated ability.