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
Wondrous Crucible 7Artifact Permanents you control have ward {2}. At the beginning of your end step, mill two cards, then exile a nonland card at random from your graveyard. Copy it. You may cast the copy without paying its mana cost. (A copy of a permanent spell becomes a token.)
Narset, Enlightened Exile 1URWLegendary Creature — Human Monk Creatures you control have prowess. Whenever Narset, Enlightened Exile attacks, exile target noncreature, nonland card with mana value less than Narset's power from a graveyard and copy it. You may cast the copy without paying its mana cost. 3/4
Widespread Thieving 2REnchantment Hideaway 5 (When this enchantment enters the battlefield, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.) Whenever you cast a multicolored spell, create a Treasure token. Then you may pay {W}{U}{B}{R}{G}. If you do, you may play the exiled card without paying its mana cost.
Patrician's Scorn 3WInstant If you've cast another white spell this turn, you may cast this spell without paying its mana cost. Destroy all enchantments.
Shelldock Isle 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.) Shelldock Isle enters the battlefield tapped. {T}: Add {U}. {U}, {T}: You may play the exiled card without paying its mana cost if a library has twenty or fewer cards in it.
Conspiracy Unraveler 5UUCreature — Sphinx Detective Flying You may collect evidence 10 rather than pay the mana cost for spells that you cast. (To collect evidence 10, exile cards with total mana value 10 or greater from your graveyard.) 6/6
Ensnared by the Mara 2RRSorcery Each opponent faces a villainous choice — They exile cards from the top of their library until they exile a nonland card, then you may cast that card without paying its mana cost, or that player exiles the top four cards of their library and Ensnared by the Mara deals damage equal to the total mana value of those exiled cards to that player.
Mnemonic Deluge 6UUUSorcery Exile target instant or sorcery card from a graveyard. Copy that card three times. You may cast the copies without paying their mana costs. Exile Mnemonic Deluge.
Capricious Hellraiser 3RRRCreature — Phyrexian Dragon This spell costs {3} less to cast if you have nine or more cards in your graveyard. Flying When Capricious Hellraiser enters the battlefield, exile three cards at random from your graveyard. Choose a noncreature, nonland card from among them and copy it. You may cast the copy without paying its mana cost. 4/4
Dance with Calamity 7RSorcery Shuffle your library. As many times as you choose, you may exile the top card of your library. If the total mana value of the cards exiled this way is 13 or less, you may cast any number of spells from among those cards without paying their mana costs.
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