Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Secrets of the Key

U · Instant

Investigate. If this spell was cast from a graveyard, investigate twice instead. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Flashback {3}{U}

Similar cards

Color identity:
NameManaTypeText
A-Shipwreck Sifters 1UCreature — Spirit When Shipwreck Sifters enters the battlefield, draw a card, then discard a card. Whenever a Spirit card or a card with disturb is put into your graveyard from anywhere, put a +1/+1 counter on Shipwreck Sifters. 1/2
Ritual of the Machine 2BBSorcery As an additional cost to cast this spell, sacrifice a creature. Gain control of target nonartifact, nonblack creature.
Golgari Thug 1BCreature — Human Warrior When Golgari Thug dies, put target creature card from your graveyard on top of your library. Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.) 1/1
Tome of the Infinite 2ULegendary Artifact {U}, {T}: Conjure a random card from Tome of the Infinite's spellbook into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."
Hurl into History 3UUInstant Counter target artifact or creature spell. Discover X, where X is that spell's mana value. (Exile cards from the top of your library until you exile a nonland card with that mana value or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)
Revenant Patriarch 4BCreature — Spirit When Revenant Patriarch enters the battlefield, if {W} was spent to cast it, target player skips their next combat phase. Revenant Patriarch can't block. 4/3
Stormcage Containment Facility Plane — Unknown Planet Each creature card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.) Whenever chaos ensues, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)
False Dawn 1WSorcery Until end of turn, spells and abilities you control that would add colored mana instead add that much white mana. Until end of turn, you may spend white mana as though it were mana of any color. Draw a card.
Ritual of Subdual 4GGEnchantment 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.) If a land is tapped for mana, it produces colorless mana instead of any other type.
Gaea's Revenge 5GGCreature — Elemental This spell can't be countered. Haste Gaea's Revenge can't be the target of nongreen spells or abilities from nongreen sources. 8/5
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