Ore-Rich Stalactite // Cosmium Catalyst

Ore-Rich Stalactite

one generic mana one red mana Artifact

tap this permanent : Add one red mana . Spend this mana only to cast an instant or sorcery spell.

Craft with four or more red instant and/or sorcery cards three generic mana one red mana (, 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

Artifact

one generic mana one red mana , tap this permanent : Choose an exiled card used to craft this artifact at random. You may cast that card without paying its mana cost.

Deep goblins laugh at humans' wands. They cast spells with their hammers.

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Showing The Lost Caverns of Ixalan Commander#11

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0.33 $

Foil 0.41 $

2 printings · up to 0.35 $

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Ore-Rich Stalactite // Cosmium Catalyst rulings

2023-11-10
You choose whether or not to cast the exiled card as Cosmium Catalyst's activated ability resolves. If you do, you do so as part of the resolution of that ability. You can't wait to cast it later in the turn. Timing restrictions based on the card's type are ignored.
2023-11-10
If you cast a card "without paying its mana cost," you can't pay any alternative costs. You can, however, pay additional costs. If the card has any mandatory additional costs, those must be paid to cast the card.
2023-11-10
If the card has in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
2023-11-10
The back faces of some cards with craft refer to cards "used to craft" it. This refers to the cards exiled as part of the cost of the craft ability of the front face. Those cards are considered to be "used to craft" that permanent as long as they remain exiled and the permanent remains on the battlefield, even if the permanent's controller changes or some of its characteristics change (because of a copy effect, for example.)
2023-11-10
If the materials required include multiple objects, you may exile some of them from among permanents you control and the rest from among cards in your graveyard. You don't have to choose all permanents or all cards from your graveyard.
2023-11-10
You may exile tokens you control as part of the materials required. However, because they aren't cards and won't stay in exile, any abilities that refer to what you "used to craft" the back faces won't refer to anything.
2023-11-10
If a card that isn't a transforming double-faced card becomes a copy of a card with craft, it'll stay in exile if you activate the craft ability. It won't return to the battlefield.

Ore-Rich Stalactite // Cosmium Catalyst keyword rules

Craft Rule 702.167

Craft represents an activated ability. It is written as “Craft with [materials] [cost],” where [materials] is a description of one or more objects. It means “[Cost], Exile this permanent, Exile [materials] from among permanents you control and/or cards in your graveyard: Return this card to the battlefield transformed under its owner’s control. Activate only as a sorcery.”

If an object in the [materials] of a craft ability is described using only a card type or subtype without the word “card,” it refers to either a permanent on the battlefield that is that type or subtype or a card in a graveyard that is that type or subtype. This is an exception to rule .

An ability of a permanent may refer to the exiled cards used to craft it. This refers to cards in exile that were exiled to pay the activation cost of the craft ability that put this permanent onto the battlefield.

Transform Rule 701.28

To transform a permanent, turn it over so that its other face is up. Only transforming tokens and permanents represented by transforming double-faced cards can transform. (See rule , “Double-Faced Cards.”)

Although transforming a permanent uses the same physical action as turning a permanent face up or face down, they are different game actions. Abilities that trigger when a permanent is turned face down won’t trigger when that permanent transforms, and so on.

If a spell or ability instructs a player to transform a permanent that isn’t represented by a transforming token or a transforming double-faced card, nothing happens.

If a spell or ability instructs a player to transform a permanent, and the face that permanent would transform into is represented by an instant or sorcery card face, or is a transforming token that was created with an instant or sorcery face, nothing happens.

Some triggered abilities trigger when an object “transforms into” an object with a specified characteristic. Such an ability triggers if the object either transforms or converts (see rule ) and has the specified characteristic immediately after it does so.

If an activated or triggered ability of a permanent that isn’t a delayed triggered ability of that permanent tries to transform it, the permanent does so only if it hasn’t transformed or converted since the ability was put onto the stack. If a delayed triggered ability of a permanent tries to transform that permanent, the permanent does so only if it hasn’t transformed or converted since that delayed triggered ability was created. In both cases, if the permanent has already transformed or converted, an instruction to do either is ignored.

Some spells and abilities refer to a “transformed permanent.” This phrase refers to a permanent on the battlefield with its back face up that’s also a transforming double-faced card or a transforming token. A permanent with its front face up is never considered a transformed permanent, even if it had its back face up previously.