Forger's Foundry — ruling 1

The mana added by Forger's Foundry can be spent on anything, not just instant and sorcery spells with mana value 3 or less.

Forger's Foundry — ruling 2

The delayed triggered ability will trigger whether Forger's Foundry is still on the battlefield or not.

Forger's Foundry — ruling 3

When casting an instant or sorcery spell with {X} in its mana cost using the mana added by Forger's Foundry, use the value of X chosen when you cast that spell to determine whether or not the delayed triggered ability triggers.

Forger's Foundry — ruling 4

You choose which spells (if any) to cast as Forger's Foundry's last ability resolves. If you do, you do so as part of the resolution of that ability. You can't wait to cast them later in the turn.

Forger's Foundry — ruling 5

You cast the spells one at a time as Forger's Foundry's last ability is resolving, choosing modes, targets, and so on. The last spell you cast will be the first one to resolve. Ignore timing restrictions based on the cards' types. Other timing restrictions, such as "Cast [this spell] only during combat," must be followed.

Forger's Foundry — ruling 6

If you cast a spell "without paying its mana cost," you can't choose to cast it for any alternative costs. You can, however, pay additional costs, such as kicker costs. If the spell has any mandatory additional costs, those must be paid to cast the spell.

Forger's Foundry — ruling 7

If a spell you cast has {X} in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.

Forger's Foundry : règles, fonctionnement et interactions (MTG)

Forger's Foundry is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

: Add . When you spend this mana to cast an instant or sorcery spell with mana value 3 or less, you may exile that spell instead of putting it into its owner's graveyard as it resolves. , : You may cast any number of spells from among cards exiled with this artifact without paying their mana costs. Activate only as a sorcery.

How it works : Forger's Foundry

Original English text — Wizards of the Coast / Scryfall

#1April 12, 2024· Wizards of the Coast
The mana added by Forger's Foundry can be spent on anything, not just instant and sorcery spells with mana value 3 or less.
No other card is named in this ruling.
#2April 12, 2024· Wizards of the Coast
The delayed triggered ability will trigger whether Forger's Foundry is still on the battlefield or not.
No other card is named in this ruling.
#3April 12, 2024· Wizards of the Coast
When casting an instant or sorcery spell with in its mana cost using the mana added by Forger's Foundry, use the value of X chosen when you cast that spell to determine whether or not the delayed triggered ability triggers.
No other card is named in this ruling.
#4April 12, 2024· Wizards of the Coast
You choose which spells (if any) to cast as Forger's Foundry's last ability resolves. If you do, you do so as part of the resolution of that ability. You can't wait to cast them later in the turn.
No other card is named in this ruling.
#5April 12, 2024· Wizards of the Coast
You cast the spells one at a time as Forger's Foundry's last ability is resolving, choosing modes, targets, and so on. The last spell you cast will be the first one to resolve. Ignore timing restrictions based on the cards' types. Other timing restrictions, such as "Cast [this spell] only during combat," must be followed.
No other card is named in this ruling.
#6April 12, 2024· Wizards of the Coast
If you cast a spell "without paying its mana cost," you can't choose to cast it for any alternative costs. You can, however, pay additional costs, such as kicker costs. If the spell has any mandatory additional costs, those must be paid to cast the spell.
No other card is named in this ruling.
#7April 12, 2024· Wizards of the Coast
If a spell you cast has in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
No other card is named in this ruling.