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
Arcane Laboratory 2UEnchantment Each player can't cast more than one spell each turn.
Rule of Law 2WEnchantment Each player can't cast more than one spell each turn.
Horribly Awry 1UInstant Devoid (This card has no color.) Counter target creature spell with mana value 4 or less. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
Torrent of Souls 4B/RSorcery Return up to one target creature card from your graveyard to the battlefield if {B} was spent to cast this spell. Creatures target player controls get +2/+0 and gain haste until end of turn if {R} was spent to cast this spell. (Do both if {B}{R} was spent.)
Hamza, Guardian of Arashin 4GWLegendary Creature — Elephant Warrior This spell costs {1} less to cast for each creature you control with a +1/+1 counter on it. Creature spells you cast cost {1} less to cast for each creature you control with a +1/+1 counter on it. 5/5
Ore-Scale Guardian 5RRCreature — Dragon This spell costs {1} less to cast for each land card in your graveyard. Flying, haste 4/4
Helm of Awakening 2Artifact Spells cost {1} less to cast.
Multani's Presence GEnchantment Whenever a spell you've cast is countered, draw a card.
Thrasta, Tempest's Roar 10GGLegendary Creature — Dinosaur This spell costs {3} less to cast for each other spell cast this turn. Trample, haste Trample over planeswalkers (This creature can deal excess combat damage to the controller of the planeswalker it's attacking.) Thrasta, Tempest's Roar has hexproof as long as it entered the battlefield this turn. 7/7
Edgewalker 1WBCreature — Human Cleric Cleric spells you cast cost {W}{B} less to cast. This effect reduces only the amount of colored mana you pay. (For example, if you cast a Cleric spell with mana cost {1}{W}, it costs {1} to cast.) 2/2
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