Card Codex

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17 May 2024: Card library updated.

Keeper of Secrets

5R · Creature — Demon

First strike, haste Symphony of Pain — Whenever you cast a spell from anywhere other than your hand, Keeper of Secrets deals damage equal to that spell's mana value to target opponent. 6/4

Similar cards

Color identity:
NameManaTypeText
Stronghold Arena 1BEnchantment Kicker {G} and/or {W} (You may pay an additional {G} and/or {W} as you cast this spell.) When Stronghold Arena enters the battlefield, you gain 3 life for each time it was kicked. Whenever one or more creatures you control deal combat damage to a player, you may reveal the top card of your library and put it into your hand. If you do, you lose life equal to its mana value.
Spirit Flare 3WInstant Tap target untapped creature you control. If you do, it deals damage equal to its power to target attacking or blocking creature an opponent controls. Flashback—{1}{W}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Access Denied 3UUInstant Counter target spell. Create X 1/1 colorless Thopter artifact creature tokens with flying, where X is that spell's mana value.
Esior, Wardwing Familiar 1ULegendary Creature — Bird Flying Spells your opponents cast that target one or more commanders you control cost {3} more to cast. Partner (You can have two commanders if both have partner.) 1/3
Sanctuary Raptor 3Artifact Creature — Bird Flying Whenever Sanctuary Raptor attacks, if you control three or more tokens, Sanctuary Raptor gets +2/+0 and gains first strike until end of turn. 2/1
Ominous Lockbox 1UArtifact — Clue As Ominous Lockbox enters the battlefield, secretly choose a number between 1 and 20. When an opponent casts a spell with mana value equal to the chosen number, sacrifice Ominous Lockbox. If you do, copy that spell, and you may choose new targets for the copy. {2}, Sacrifice Ominous Lockbox: Draw a card.
The Wedding of River Song 2WSorcery Draw two cards, then you may exile a nonland card from your hand with a number of time counters on it equal to its mana value. Then target opponent does the same. Cards exiled this way that don't have suspend gain suspend. Time travel. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.)
Aragorn, Hornburg Hero 1RGWLegendary Creature — Human Soldier Attacking creatures you control have first strike and renown 1. (When a creature with renown 1 deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.) Whenever a renowned creature you control deals combat damage to a player, double the number of +1/+1 counters on it. 4/4
Angelic Arbiter 5WWCreature — Angel Flying Each opponent who cast a spell this turn can't attack with creatures. Each opponent who attacked with a creature this turn can't cast spells. 5/6
Vampire's Zeal WInstant Target creature gets +2/+2 until end of turn. If it's a Vampire, it gains first strike until end of turn.
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