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
Weathered Runestone 2Artifact Nonland permanent cards in graveyards and libraries can't enter the battlefield. Players can't cast spells from graveyards or libraries.
Beast Whisperer 2GGCreature — Elf Druid Whenever you cast a creature spell, draw a card. 2/3
Nemesis of Mortals 4GGCreature — Snake This spell costs {1} less to cast for each creature card in your graveyard. {7}{G}{G}: Monstrosity 5. This ability costs {1} less to activate for each creature card in your graveyard. (If this creature isn't monstrous, put five +1/+1 counters on it and it becomes monstrous.) 5/5
Flux Channeler 2UCreature — Human Wizard Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) 2/2
Mage Duel 2GSorcery This spell costs {2} less to cast if you've cast another instant or sorcery spell this turn. Target creature you control gets +1/+2 until end of turn. Then it fights target creature you don't control. (Each deals damage equal to its power to the other.)
Brine Giant 6UCreature — Giant This spell costs {1} less to cast for each enchantment you control. 5/6
Cruel Witness 2UUCreature — Bird Horror Flying Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) 3/3
Danitha Capashen, Paragon 2WLegendary Creature — Human Knight First strike, vigilance, lifelink Aura and Equipment spells you cast cost {1} less to cast. 2/2
Lavinia, Azorius Renegade WULegendary Creature — Human Soldier Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. 2/2
Bone Picker 3BCreature — Bird This spell costs {3} less to cast if a creature died this turn. Flying, deathtouch 3/2
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