Nightmare
Tracked across real Commander games played through TurnZero HQ.
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What it does
Flying (This creature can't be blocked except by creatures with flying or reach.)
Nightmare's power and toughness are each equal to the number of Swamps you control.
Rulings
4 official rulings, in the order Wizards published them.
- 2008-04-01
If you control 0 swamps, then the Nightmare has 0 toughness and will be put into its owner’s graveyard as a state-based action right before the next player gains priority.
- 2009-10-01
Nightmare’s power and toughness changes as the number of Swamps you control changes.
- 2013-07-01
Nightmare’s ability counts all lands you control with the subtype Swamp, not just ones named Swamp.
- 2013-07-01
The ability that defines Nightmare’s power and toughness works everywhere, not just on the battlefield.
Rulings are Wizards of the Coast's own, mirrored from Scryfall and refreshed nightly.
In the 99
Every deck whose current list includes Nightmare, whatever its commander.
Most played under
| Commander | Decks | Games | Win rate |
|---|---|---|---|
| M.O.D.O.K. | 1 | 0 | — |
Colors it shows up in
- Mono-Black 1 deck
Every version of Nightmare
29 printings, newest first. Prices are the market figures Scryfall publishes, refreshed nightly — a printing with no figure shows a dash rather than a zero, because Scryfall genuinely publishes none for some of them.

30th Anniversary Edition
- Normal
- —

30th Anniversary Edition
- Normal
- —

The List
- Normal
- $0.36

Welcome Deck 2017
- Normal
- $0.28

Welcome Deck 2016
- Normal
- $0.17

Magic Origins
- Normal
- $0.15

Magic 2015
- Normal
- $0.15

Magic 2014
- Normal
- $0.23
- Foil
- $0.75

Magic 2010
- Normal
- $0.33
- Foil
- $0.70

Tenth Edition
- Normal
- $0.74

Tenth Edition
- Foil
- $2.57

Ninth Edition
- Normal
- $0.36

Ninth Edition
- Foil
- $6.19

Eighth Edition
- Normal
- $0.54

Eighth Edition
- Foil
- $4.73

Seventh Edition
- Normal
- $0.54

Seventh Edition
- Foil
- $93.84

Classic Sixth Edition
- Normal
- $0.89

Fifth Edition
- Normal
- $1.26

Fourth Edition Foreign Black Border
- Normal
- $12.99

Fourth Edition
- Normal
- $2.06

Summer Magic / Edgar
- Normal
- —

Foreign Black Border
- Normal
- $20.00

Revised Edition
- Normal
- $7.67

Intl. Collectors' Edition
- Normal
- $22.77

Collectors' Edition
- Normal
- $17.75

Unlimited Edition
- Normal
- $88.00

Limited Edition Beta
- Normal
- —

Limited Edition Alpha
- Normal
- $1,399.99
Prices from Scryfall, which tracks the TCGplayer and Cardmarket markets. They move daily and are a guide rather than a quote. Search TCGplayer for Nightmare — a name search across every version, for the printings TCGplayer publishes no direct link to.
Aggregated from Commander games tracked in TurnZero HQ. Every figure counts decks and games only — no individual deck list, player or playgroup is identified. Win rates are withheld below 5 completed games, where the sample is too small to mean anything.