Keeper of Secrets

Creature — Demon

Set

Warhammer 40,000 Commander (40k)

Rarity

Rare

Mana Cost

Price · Cardmarket trend

no price Cheapest printing: 40k €10.11

Artist

Miguel Sacristan

Power / Toughness

6 / 4

Cardmarket trend via Scryfall, as of 10/28/2026. May differ from the actual price.

Oracle Text

First strike, haste Symphony of Pain — Whenever you cast a spell from anywhere other than your hand, this creature deals damage equal to that spell's mana value to target opponent.

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Legality

Rules for this card

First strike Rule 702.7 Glossary

A keyword ability that lets a creature deal its combat damage before other creatures. See rule 702.7, “First Strike.”
Haste Rule 702.10 Glossary

A keyword ability that lets a creature ignore the “summoning sickness” rule. See rule 702.10, “Haste,” and rule 302.6.

Other Printings

Warhammer 40,000 Commander (40k) €10.11