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Secret Passage
Land
This land enters tapped.
tap : Add blue mana or black mana .
4 generic mana , tap : Investigate. (Create a Clue token. It's an artifact with " 2 generic mana , Sacrifice this token: Draw a card.")
Rulings (5)
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.
Feb 2, 2024
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.
Feb 2, 2024
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.
Feb 2, 2024
Legality
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