Description
NOT LEGAL
Standard
NOT LEGAL
Future
NOT LEGAL
Historic
NOT LEGAL
Timeless
NOT LEGAL
Gladiator
NOT LEGAL
Pioneer
NOT LEGAL
Explorer
NOT LEGAL
Modern
LEGAL
Legacy
NOT LEGAL
Pauper
LEGAL
Vintage
NOT LEGAL
Penny
LEGAL
Commander
LEGAL
Oathbreaker
NOT LEGAL
Standardbrawl
NOT LEGAL
Brawl
NOT LEGAL
Alchemy
NOT LEGAL
Pauper Commander
LEGAL
Duel
NOT LEGAL
Oldschool
NOT LEGAL
Premodern
NOT LEGAL
Predh
T: Add R. Spend this mana only to cast an instant or sorcery spell.
Craft with four or more red instant and/or sorcery cards 3RR (3RR, Exile this artifact, Exile the four or more from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)
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Cosmium Catalyst
1R, T: Choose an exiled card used to craft Cosmium Catalyst at random. You may cast that card without paying its mana cost.
Craft with four or more red instant and/or sorcery cards 3RR (3RR, Exile this artifact, Exile the four or more from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)
//
Cosmium Catalyst
1R, T: Choose an exiled card used to craft Cosmium Catalyst at random. You may cast that card without paying its mana cost.
: Add 
. Spend this mana only to cast an instant or sorcery spell.Craft with four or more red instant and/or sorcery cards
(, Exile this artifact, Exile the four or more from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)
, : Choose an exiled card used to craft this artifact at random. You may cast that card without paying its mana cost.