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
Double Cleave 1R/WInstant Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)
Twice the Rage 1RInstant — Adventure Target creature gains double strike until end of turn. (Then exile this card. You may cast the creature later from exile.)
Ruin Raider 2BCreature — Orc Pirate Raid — At the beginning of your end step, if you attacked this turn, reveal the top card of your library and put that card into your hand. You lose life equal to the card's mana value. 3/2
Gale's Redirection 3UUInstant Exile target spell, then roll a d20 and add that spell's mana value. 1—14 | You may cast the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. 15+ | You may cast the exiled card without paying its mana cost for as long as it remains exiled.
Devour Intellect BSorcery Target opponent discards a card. If mana from a Treasure was spent to cast this spell, instead that player reveals their hand, you choose a nonland card from it, then that player discards that card.
Scourge of the Skyclaves 1BCreature — Demon Kicker {4}{B} When you cast this spell, if it was kicked, each player loses half their life, rounded up. Scourge of the Skyclaves's power and toughness are each equal to 20 minus the highest life total among players. */*
Thistledown Duo 2W/UCreature — Kithkin Soldier Wizard Whenever you cast a white spell, Thistledown Duo gets +1/+1 until end of turn. Whenever you cast a blue spell, Thistledown Duo gains flying until end of turn. 2/2
Too Greedily, Too Deep 5BRSorcery Put target creature card from a graveyard onto the battlefield under your control. That creature deals damage equal to its power to each other creature.
Slimy Burrito Illusion Stickers {TK}{TK} — Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.) {TK}{TK}{TK} — Double strike {TK}{TK} — 2/4 {TK}{TK}{TK}{TK} — 5/6
Animist's Might 2GSorcery This spell costs {2} less to cast if it targets a legendary creature you control. Target creature you control deals damage equal to twice its power to target creature or planeswalker you don't control.
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