Fellwar Stone 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 one mana of any color that a land an opponent controls could produce.
Complete guide
Fellwar Stone is a classic mana rock that has been a staple in multiplayer formats like Commander since the early days of Magic. This two-mana artifact provides mana acceleration by looking at your opponents' territory to see what resources are available. It is a versatile tool that scales with the diversity of colors present at your table.
What Fellwar Stone Does
Fellwar Stone is a mana artifact that taps to produce one mana of any color that a land an opponent controls could produce. It essentially scans the mana-producing abilities of all lands controlled by your opponents and gives you access to those same colors. Note that it only looks at the five colors of Magic: white, blue, black, red, and green. It cannot produce colorless mana.
How it Resolves Step by Step
When you activate the ability of Fellwar Stone, the game checks the current state of all lands your opponents control. It looks at every mana-producing ability on those lands to see what colors they are capable of creating. It does not matter if the opponent's land is currently tapped or if the opponent cannot pay the costs associated with that land's ability (like removing a counter). As long as the ability exists on the card, Fellwar Stone can produce that color.
Common Mistakes
The most frequent error is trying to produce colorless mana with Fellwar Stone. Even if an opponent only controls a land that produces colorless mana, Fellwar Stone will produce nothing because colorless is not a color. Additionally, Fellwar Stone ignores any restrictions or riders on the mana. For example, if an opponent has a land that produces mana that can only be spent on creature spells, your Fellwar Stone still produces that color of mana, but you can spend it on anything.
When to Play It
Fellwar Stone is best utilized in multi-color decks and multiplayer games. In a four-player game, there is a very high probability that your opponents will collectively control lands capable of producing every color you need. It is an excellent turn-two play that sets up your mid-game strategy by ensuring you have the right mana fixes.
Interaction examples
Sol Ring
Arcane SignetIf you have Sol Ring and Fellwar Stone on the battlefield, tapping Sol Ring provides two colorless mana, whereas Fellwar Stone provides one mana of a color an opponent could produce. If you also have Arcane Signet, you have access to your own commander's colors, while Fellwar Stone provides flexibility based on your opponents' decks.
Imagine your only opponent controls a Wastes and a Sol Ring. Because Wastes produces colorless mana and Sol Ring is an artifact (not a land), Fellwar Stone cannot produce any mana at all. It requires an opponent to control a land with a mana ability that produces at least one of the five colors.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Fellwar Stone
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
When determining what colors of mana your opponents' lands could produce, take into account any applicable replacement effects that would apply to those lands' mana abilities (such as Contamination's effect, for example). If there is more than one, consider them in any possible order.
No other card is named in this ruling.
- #2· Wizards of the Coast
Fellwar Stone checks the effects of all mana-producing abilities of lands your opponents control, but it doesn't check their costs. For example, Vivid Crag has the ability "
, Remove a charge counter from Vivid Crag: Add one mana of any color." If an opponent controls Vivid Crag and you control Fellwar Stone, you can tap Fellwar Stone for any color of mana. It doesn't matter whether Vivid Crag has a charge counter on it, and it doesn't matter whether it's untapped.No other card is named in this ruling.
- #3· Wizards of the Coast
The colors of mana are white, blue, black, red, and green. Fellwar Stone can't be tapped for colorless mana, even if a land an opponent controls could produce colorless mana.
No other card is named in this ruling.
- #4· Wizards of the Coast
Fellwar Stone doesn't care about any restrictions or riders your opponents' lands (such as Ancient Ziggurat or Hall of the Bandit Lord) put on the mana they produce. It just cares about colors of mana.
No other card is named in this ruling.
- #5· Wizards of the Coast
It only produces one mana even if the land can produce more than one.
No other card is named in this ruling.
- #6· Wizards of the Coast
The ability can be activated if the opponent has no lands that produce mana, but the effect will not be able to generate any mana.
No other card is named in this ruling.
- #7· Wizards of the Coast
This works even if the opponent's lands are tapped. It only checks what kinds of mana can be produced, not if the abilities that produce them are usable right now.
No other card is named in this ruling.
Legal formats
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Meta decks with Fellwar Stone
No archived Top 8 deck with this card yet.