Hazard of the Dunes 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
Reach, trample Exhaust —: Put three +1/+1 counters on this creature. (Activate each exhaust ability only once.)
Complete guide
Hazard of the Dunes is a formidable Wurm that dominates both the ground and the skies of the battlefield. With its natural keyword abilities and the potential for a permanent power boost, it serves as a versatile threat in green-based decks. By utilizing its Exhaust ability, you can transform this creature into a massive late-game finisher.
Natural Defenses and Offense
Hazard of the Dunes comes pre-equipped with Reach and Trample. Reach allows it to block creatures with flying, making it a reliable defensive wall against aerial assaults. Meanwhile, Trample ensures that even if your opponent attempts to block this Wurm, any excess damage will still push through to their life total, keeping the pressure high.
Understanding the Exhaust Keyword
The Exhaust ability represents a one-time upgrade for your creature. By paying the cost of {6}{G}, you place three +1/+1 counters on Hazard of the Dunes. Under normal circumstances, you can only activate this ability once per game for this specific permanent. However, if the creature leaves the battlefield and returns later, it is considered a new object and its Exhaust ability may be activated once again.
Strategic Timing and Resolution
You can activate the Exhaust ability at any time you could normally activate an ability, such as during your opponent's end step or in response to a spell. If you have other abilities that trigger 'whenever you activate an exhaust ability,' those triggers will be put on the stack above the Exhaust ability and will resolve first. Once the Exhaust ability resolves, the counters are placed permanently on the creature.
Common Mistakes to Avoid
A common error is trying to activate the Exhaust ability multiple times while it is still on the stack. Because the Exhaust restriction applies to the activation itself, you cannot pay the mana multiple times to get extra counters. Additionally, remember that while the counters are permanent, they do not change the base power and toughness of the creature for effects that check printed values.
Interaction examples
You play Solemn Simulacrum to search for a basic land, ensuring you have the resources needed to cast your Wurm. Once Hazard of the Dunes is on the battlefield, the extra land helps you reach the seven mana required to activate the Exhaust ability, turning your 4/4 reach creature into a 7/7 powerhouse.
If your opponent uses a removal spell to destroy your Hazard of the Dunes after you have already used its Exhaust ability, you can play Eternal Witness to return the Wurm to your hand. When you recast Hazard of the Dunes, it enters as a new object, allowing you to pay the Exhaust cost a second time later in the game for another set of counters.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Hazard of the Dunes
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
Exhaust abilities can be activated any time you could normally activate an ability.
No other card is named in this ruling.
- #2· Wizards of the Coast
If an exhaust ability of a permanent is activated, and then that permanent leaves the battlefield and returns to the battlefield, it becomes a new object so its exhaust ability can be activated again.
No other card is named in this ruling.
- #3· Wizards of the Coast
If an ability triggers whenever you activate an exhaust ability, that ability resolves before the exhaust ability resolves.
No other card is named in this ruling.
Legal formats
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Meta decks with Hazard of the Dunes
No archived Top 8 deck with this card yet.



Solemn Simulacrum
Eternal Witness