edhseer Commander synergy, explained
Artifact // Artifact
Mana cost: {1}{R}
Add {R}. Spend this mana only to cast an instant or sorcery spell.
activated {T} — adds 1 mana
Craft with four or more red instant and/or sorcery cards {3}{R}{R}
Choose an exiled card used to craft this artifact at random. You may cast that card without paying its mana cost.
activated {1}{R}, {T} —
Causes: cast an artifact.
Cares about: nothing.
an artifact is cast — 3,683 cards in the game can cause this (Ore-Rich Stalactite is one).
When Ore-Rich Stalactite // Cosmium Catalyst is cast:
271 other cards care about it too. These are the ones with the most connections.
a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Ore-Rich Stalactite is one).
When Ore-Rich Stalactite // Cosmium Catalyst enters:
an artifact enters the battlefield — 4,643 cards in the game can cause this (Ore-Rich Stalactite is one).
When Ore-Rich Stalactite // Cosmium Catalyst enters:
55 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Ore-Rich Stalactite is one).
When Ore-Rich Stalactite // Cosmium Catalyst enters:
39 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Ore-Rich Stalactite is one).
When Ore-Rich Stalactite // Cosmium Catalyst is cast:
10 other cards care about it too. These are the ones with the most connections.