Card Codex

M:tG card similarity search

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
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In Search of Greatness GGEnchantment At the beginning of your upkeep, you may cast a permanent spell from your hand with mana value equal to 1 plus the highest mana value among other permanents you control without paying its mana cost. If you don't, scry 1.
Zada's Commando 1RCreature — Goblin Archer Ally First strike Cohort — {T}, Tap an untapped Ally you control: Zada's Commando deals 1 damage to target opponent or planeswalker. 2/1
The Fifteenth Doctor 2URLegendary Creature — Time Lord Doctor When The Fifteenth Doctor enters the battlefield or attacks, mill three cards. You may put an artifact card with mana value 2 or 3 from among them into your hand. The first nonartifact spell you cast each turn has improvise. (Your artifacts can help cast that spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) 3/3
Glamdring 2Legendary Artifact — Equipment Equipped creature has first strike and gets +1/+0 for each instant and sorcery card in your graveyard. Whenever equipped creature deals combat damage to a player, you may cast an instant or sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost. Equip {3}
Embereth Paladin 3RCreature — Human Knight Haste Adamant — If at least three red mana was spent to cast this spell, Embereth Paladin enters the battlefield with a +1/+1 counter on it. 4/1
Shark Typhoon 5UEnchantment Whenever you cast a noncreature spell, create an X/X blue Shark creature token with flying, where X is that spell's mana value. Cycling {X}{1}{U} ({X}{1}{U}, Discard this card: Draw a card.) When you cycle Shark Typhoon, create an X/X blue Shark creature token with flying.
Peri Brown 3WLegendary Creature — Human The first historic spell you cast each turn has convoke. (Your creatures can help cast it. Each creature you tap while casting it pays for {1} or one mana of that creature's color.) Doctor's companion (You can have two commanders if the other is the Doctor.) 2/3
Ohran Yeti 3RSnow Creature — Yeti {2}{S}: Target snow creature gains first strike until end of turn. ({S} can be paid with one mana from a snow source.) 3/3
Watermarket Land {T}: Add {C}{C}. Spend this mana only to cast spells with watermarks.
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