Winter Moon 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
Players can't untap more than one nonbasic land during their untap steps.
Complete guide
Winter Moon is a potent artifact designed to slow down greedy mana bases that rely heavily on nonbasic lands. By restricting how many lands players can untap, it ensures that basic lands remain the backbone of a reliable strategy. This card is a modern nod to classic resource denial, punishing players who over-extend with utility lands.
What it Does
Winter Moon creates a continuous effect that modifies the rules of the untap step. Specifically, it limits each player to untapping a maximum of one nonbasic land. Note that this does not affect basic lands or non-land permanents like creatures and artifacts, which will all untap as normal unless other effects are present.
How it Resolves Step by Step
When a player enters their untap step, they determine which permanents will untap. First, they identify all basic lands and non-land permanents; these untap without restriction. Second, the player chooses up to one nonbasic land they control to untap. All other nonbasic lands remain tapped. This choice is made during the untap step, which does not use the stack and cannot be responded to.
Common Mistakes
A frequent misconception is that multiple Winter Moons will further restrict untapping. According to official rulings, these effects are redundant; you still get to untap exactly one nonbasic land regardless of how many Moons are in play. Additionally, remember that Winter Moon only checks if a land has the 'Basic' supertype. Lands like Command Tower or shock lands are nonbasic and fall under this restriction.
When to Play It
This artifact is best utilized in decks that run a high count of basic lands or alternative mana sources. Since it only affects the untap step, you can bypass its symmetry by using artifacts for mana. It is particularly effective against opponents who rely on powerful utility lands or complex multi-color mana bases to progress their game state.
Interaction examples
Sol RingIf you have Winter Moon on the battlefield along with several tapped nonbasic lands and a Sol Ring, your untap step begins. You choose one nonbasic land to untap. Because Sol Ring is an artifact and not a land, it untaps normally. This allows you to maintain mana production even while your land base is restricted.
Arcane SignetWith Winter Moon active, a player with four tapped nonbasic lands can only untap one of them. However, if that player also controls Arcane Signet, the Signet untaps fully because the Moon's restriction only applies to nonbasic lands. This interaction highlights why mana rocks are essential when playing with or against resource denial effects.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Winter Moon
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
If multiple Winter Moons are on the battlefield, their effects are redundant. Each player will still be able to untap no more than one nonbasic land during their untap step.
No other card is named in this ruling.
- #2· Wizards of the Coast
If Winter Moon is on the battlefield while another effect restricts untapping lands or permanents in a different way, their effects are cumulative. For example, if you control both Winter Moon and Static Orb, each player will be able to untap no more than two permanents, up to one of which can be a nonbasic land, during their untap step.
No other card is named in this ruling.
Legal formats
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Meta decks with Winter Moon
No archived Top 8 deck with this card yet.