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
Zendikar Resurgent 5GGEnchantment Whenever you tap a land for mana, add one mana of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.) Whenever you cast a creature spell, draw a card.
Idol of Endurance 2WArtifact When Idol of Endurance enters the battlefield, exile all creature cards with mana value 3 or less from your graveyard until Idol of Endurance leaves the battlefield. {1}{W}, {T}: Until end of turn, you may cast a creature spell from among cards exiled with Idol of Endurance without paying its mana cost.
March of the Machines 3UEnchantment Each noncreature artifact is an artifact creature with power and toughness each equal to its mana value. (Equipment that's a creature can't equip a creature.)
Cold Snap 2WEnchantment Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of each player's upkeep, Cold Snap deals damage to that player equal to the number of snow lands they control.
Barrel Down Sokenzan 2RInstant — Arcane Sweep — Return any number of Mountains you control to their owner's hand. Barrel Down Sokenzan deals damage to target creature equal to twice the number of Mountains returned this way.
Queen Kayla bin-Kroog 1RWLegendary Creature — Human Noble {4}, {T}: Discard all the cards in your hand, then draw that many cards. You may choose an artifact or creature card with mana value 1 you discarded this way, then do the same for artifact or creature cards with mana values 2 and 3. Return those cards to the battlefield. Activate only as a sorcery. 2/3
Unnerving Assault 2U/RInstant Creatures your opponents control get -1/-0 until end of turn if {U} was spent to cast this spell, and creatures you control get +1/+0 until end of turn if {R} was spent to cast this spell. (Do both if {U}{R} was spent.)
Hero of Leina Tower GCreature — Human Warrior Heroic — Whenever you cast a spell that targets Hero of Leina Tower, you may pay {X}. If you do, put X +1/+1 counters on Hero of Leina Tower. 1/1
Crimson Roc 4RCreature — Bird Flying Whenever Crimson Roc blocks a creature without flying, Crimson Roc gets +1/+0 and gains first strike until end of turn. 2/2
Ink-Treader Nephilim RGWUCreature — Nephilim Whenever a player casts an instant or sorcery spell, if that spell targets only Ink-Treader Nephilim, copy the spell for each other creature that spell could target. Each copy targets a different one of those creatures. 3/3
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