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
Xanathar, Guild Kingpin 4UBLegendary Creature — Beholder At the beginning of your upkeep, choose target opponent. Until end of turn, that player can't cast spells, you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way. 5/6
Scrapheap Scrounger 2Artifact Creature — Construct Scrapheap Scrounger can't block. {1}{B}, Exile another creature card from your graveyard: Return Scrapheap Scrounger from your graveyard to the battlefield. 3/2
Foreboding Fruit 2BSorcery Target player draws two cards and loses 2 life. Adamant — If at least three black mana was spent to cast this spell, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
Fist of Suns 3Artifact You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells you cast.
Lethal Sting 2BSorcery As an additional cost to cast this spell, put a -1/-1 counter on a creature you control. Destroy target creature.
The Seventh Doctor 3WULegendary Creature — Time Lord Doctor Whenever The Seventh Doctor attacks, choose a card in your hand. Defending player guesses whether that card's mana value is greater than the number of artifacts you control. If they guessed wrong, you may cast it without paying its mana cost. If you don't cast a spell this way, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") 3/6
Nira, Hellkite Duelist WUBRGLegendary Creature — Dragon Flash Flying, trample, haste When Nira, Hellkite Duelist enters the battlefield, the next time you would lose the game this turn, instead draw three cards and your life total becomes 5. 6/6
Throes of Chaos 3RSorcery Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)
Kentaro, the Smiling Cat 1WLegendary Creature — Human Samurai Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.) You may pay {X} rather than pay the mana cost for Samurai spells you cast, where X is that spell's mana value. 2/1
Bladecoil Serpent X6Artifact Creature — Serpent When Bladecoil Serpent enters the battlefield, for each {U}{U} spent to cast it, draw a card. When Bladecoil Serpent enters the battlefield, for each {B}{B} spent to cast it, each opponent discards a card. When Bladecoil Serpent enters the battlefield, for each {R}{R} spent to cast it, it gets +1/+0 and gains trample and haste until end of turn. 5/4
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