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Behind the Mask

Blue

1 printing listed in our catalog, from newest to oldest.

Behind the Mask, Murders at Karlov Manor printing
Murders at Karlov Manor MKM · No. 39 2024-02-09

Card text

{U}
Instant
As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.) Until end of turn, target artifact or creature becomes an artifact creature with base power and toughness 4/3. If evidence was collected, it has base power and toughness 1/1 until end of turn instead.
Keywords: Collect evidence
EDHREC rank #18999 Common Not on the Reserved List
Seen in store
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Standard ✓ Legal
Pioneer ✓ Legal
Modern ✓ Legal
Legacy ✓ Legal
Vintage ✓ Legal
Pauper ✓ Legal
Commander ✓ Legal
Oathbreaker ✓ Legal
Brawl ✓ Legal
Historic ✓ Legal
Timeless ✓ Legal
Alchemy ∅ Not legal
Explorer ∅ Not legal
Gladiator ✓ Legal
Penny ✓ Legal
Duel ✓ Legal

Official rulings

4 rulings · in English, source Scryfall

If Behind the Mask causes a Vehicle to become an artifact creature, it doesn't count as "crewing" that Vehicle for any ability that would trigger off of a Vehicle becoming crewed.

2024-02-02 · Wizards of the Coast

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.

2024-02-02 · Wizards of the Coast

Behind the Mask will overwrite any previous effects that set a creature or Vehicle's power and toughness to specific numbers. Effects that otherwise modify its power and toughness will still apply no matter when they took effect. The same is true for +1/+1 counters.

2024-02-02 · Wizards of the Coast

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 · Wizards of the Coast

All printings

Behind the Mask, Murders at Karlov Manor printing
Murders at Karlov Manor
MKM · #39
Common
Tapt's Canadian calculation. How to read these prices
Dungeon Comics & Cards · Foil