Card Codex

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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
Bridge from Below BBBEnchantment Whenever a nontoken creature is put into your graveyard from the battlefield, if Bridge from Below is in your graveyard, create a 2/2 black Zombie creature token. When a creature is put into an opponent's graveyard from the battlefield, if Bridge from Below is in your graveyard, exile Bridge from Below.
Kor Spiritdancer 1WCreature — Kor Wizard Kor Spiritdancer gets +2/+2 for each Aura attached to it. Whenever you cast an Aura spell, you may draw a card. 0/2
Metagamer WWCreature — Human Advisor Cards in the winning deck(s) of the latest Mythic Championship cost {1} more to cast. 2/2
Infectious Curse Enchantment — Aura Curse Enchant player Spells you cast that target enchanted player cost {1} less to cast. At the beginning of enchanted player's upkeep, that player loses 1 life and you gain 1 life.
Hunter's Mark 3GInstant This spell costs {3} less to cast if it targets a blue permanent you don't control. This spell can't be countered. Target creature you control gets +1/+1 until end of turn. Then it deals damage equal to its power to target creature or planeswalker you don't control.
Lock and Load 2USorcery Draw a card, then draw a card for each other instant and sorcery spell you've cast this turn. Plot {3}{U} (You may pay {3}{U} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)
Lake of the Dead Land If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {B}. {T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.
March of Otherworldly Light XWInstant As an additional cost to cast this spell, you may exile any number of white cards from your hand. This spell costs {2} less to cast for each card exiled this way. Exile target artifact, creature, or enchantment with mana value X or less.
Sefris of the Hidden Ways WUBLegendary Creature — Human Wizard Whenever one or more creature cards are put into your graveyard from anywhere, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.) Create Undead — Whenever you complete a dungeon, return target creature card from your graveyard to the battlefield. 2/3
City on Fire 5RRREnchantment Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) If a source you control would deal damage to a permanent or player, it deals triple that damage instead.
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