Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Cosmium Catalyst

· Artifact

{1}{R}, {T}: Choose an exiled card used to craft Cosmium Catalyst at random. You may cast that card without paying its mana cost.

Similar cards

Color identity:
NameManaTypeText
Spell Queller 1WUCreature — Spirit Flash Flying When Spell Queller enters the battlefield, exile target spell with mana value 4 or less. When Spell Queller leaves the battlefield, the exiled card's owner may cast that card without paying its mana cost. 2/3
River Song's Diary 3Artifact Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves. At the beginning of your upkeep, if there are four or more cards exiled with River Song's Diary, choose one of them at random. You may cast it without paying its mana cost.
Narset, Enlightened Master 3URWLegendary Creature — Human Monk First strike, hexproof Whenever Narset, Enlightened Master attacks, exile the top four cards of your library. Until end of turn, you may cast noncreature spells from among those cards without paying their mana costs. 3/2
Gríma, Saruman's Footman 2UBLegendary Creature — Human Advisor Gríma, Saruman's Footman can't be blocked. Whenever Gríma deals combat damage to a player, that player exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then that player puts the exiled cards that weren't cast this way on the bottom of their library in a random order. 1/4
Living Lore 3UCreature — Avatar As Living Lore enters the battlefield, exile an instant or sorcery card from your graveyard. Living Lore's power and toughness are each equal to the exiled card's mana value. Whenever Living Lore deals combat damage, you may sacrifice it. If you do, you may cast the exiled card without paying its mana cost. */*
Spinerock Knoll Land Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Spinerock Knoll enters the battlefield tapped. {T}: Add {R}. {R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.
Rashmi and Ragavan 1GURLegendary Creature — Elf Monkey Whenever you cast your first spell during each of your turns, exile the top card of target opponent's library and create a Treasure token. Then you may cast the exiled card without paying its mana cost if it's a spell with mana value less than the number of artifacts you control. If you don't cast it this way, you may cast it this turn. 2/4
Arcane Proxy 7Artifact Creature — Wizard Prototype {1}{U}{U} — 2/1 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) When Arcane Proxy enters the battlefield, if you cast it, exile target instant or sorcery card with mana value less than or equal to Arcane Proxy's power from your graveyard. Copy that card. You may cast the copy without paying its mana cost. 4/3
Refreshing Rain 3GInstant If an opponent controls a Swamp and you control a Forest, you may cast this spell without paying its mana cost. Target player gains 6 life.
Darksteel Monolith 8Artifact Indestructible Once each turn, you may pay {0} rather than pay the mana cost for a colorless spell that you cast from your hand.
Page 9