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
Polymorphous Rush 2UInstant Strive — This spell costs {1}{U} more to cast for each target beyond the first. Choose a creature on the battlefield. Any number of target creatures you control each become a copy of that creature until end of turn.
Soar 1UEnchantment — Aura You may cast Soar as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step. Enchant creature Enchanted creature gets +0/+1 and has flying.
Shared Fate 4UEnchantment If a player would draw a card, that player exiles the top card of one of their opponents' libraries face down instead. Each player may look at cards they exiled with Shared Fate, and they may play lands and cast spells from among those cards.
Infernal Darkness 2BBEnchantment Cumulative upkeep—Pay {B} and 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) If a land is tapped for mana, it produces {B} instead of any other type.
Decaying Soil 1BBEnchantment At the beginning of your upkeep, exile a card from your graveyard. Threshold — As long as seven or more cards are in your graveyard, Decaying Soil has "Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {1}. If you do, return that card to your hand."
Cemetery Desecrator 4BBCreature — Zombie Menace When Cemetery Desecrator enters the battlefield or dies, exile another card from a graveyard. When you do, choose one — • Remove X counters from target permanent, where X is the mana value of the exiled card. • Target creature an opponent controls gets -X/-X until end of turn, where X is the mana value of the exiled card. 4/4
Unifying Theory 1UEnchantment Whenever a player casts a spell, that player may pay {2}. If the player does, they draw a card.
In the Eye of Chaos 2UWorld Enchantment Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value.
Prowl, Stoic Strategist 3WLegendary Artifact Creature — Robot More Than Meets the Eye {2}{W} (You may cast this card converted for {2}{W}.) Whenever Prowl attacks, exile up to one other target tapped creature or Vehicle. For as long as that card remains exiled, its owner may play it. Whenever a player plays a card exiled with Prowl, you draw a card and convert Prowl. 3/3
Jubilant Mascot 2WCreature — Homunculus At the beginning of combat on your turn, you may pay {3}{W}. If you do, support 2. (Put a +1/+1 counter on each of up to two other target creatures.) 1/1
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