Ore-Rich Stalactite (Extended Art) (R) – Commander The Lost Caverns of Ixalan – Wizards of the Coast from Wizards of the Coast

Description

Ore-Rich Stalactite (Extended Art)
Artifact // Artifact
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

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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.