Cryptex

two generic mana Artifact

tap this permanent , Collect evidence 3: Add one mana of any color. Put an unlock counter on this artifact. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.)

Sacrifice this artifact: Surveil 3, then draw three cards. Activate only if this artifact has five or more unlock counters on it.

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Showing Murders at Karlov Manor#251

Price

0.13 $

Foil 0.09 $

15 printings · up to 0.45 $

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Cryptex rulings

2024-02-02
Cryptex's first ability is a mana ability. It doesn't use the stack and can't be responded to.
2024-02-02
If you can't exile enough cards to meet or exceed the required mana value, you can't choose to collect evidence at all.
2024-02-02
Once you've announced that you're casting a spell, players can't take actions until you've finished doing so. Notably, opponents can't try to remove cards from your graveyard to stop you from collecting evidence.

Cryptex keyword rules

Collect evidence Rule 701.57

To “collect evidence N” means to exile any number of cards from your graveyard with total mana value N or greater.

If a player is given the choice to collect evidence but is unable to exile cards with total mana value N or greater from their graveyard (usually because there aren’t enough cards to do so) they can’t choose to collect evidence.

A spell that has an ability that allows a player to collect evidence as an additional cost to cast it may have another ability that refers to whether evidence was collected. These abilities are linked. See rule , “Linked Abilities.”

Surveil Rule 701.42

To “surveil N” means to look at the top N cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.

If an effect allows you to look at additional cards while you surveil, those cards are included among the cards you may put into your graveyard and on top of your library in any order.

If a player is instructed to surveil 0, no surveil event occurs. Abilities that trigger whenever a player surveils won’t trigger.

An ability that triggers whenever a player surveils triggers after the process described in rule is complete, even if some or all of those actions were impossible.