Hedron Crab 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
Landfall — Whenever a land you control enters, target player mills three cards. (They put the top three cards of their library into their graveyard.)
Complete guide
Hedron Crab is a cornerstone of mill strategies, offering a cheap and efficient way to deplete your opponent's library. By simply playing lands, you turn every resource drop into a potent offensive move. Whether you are targeting yourself for graveyard synergies or aiming to deck your opponent, this Crab is a persistent threat.
What Hedron Crab Does
Hedron Crab features the Landfall keyword, a triggered ability that activates whenever a land enters the battlefield under your control. Unlike many early-game creatures, the Crab doesn't need to attack to be effective; its primary function is to 'mill' three cards from a target player's library every time you play or create a land.
How it Resolves Step by Step
First, a land must enter the battlefield under your control, whether through playing your one land for the turn or via a spell. Second, the Landfall ability triggers and is put onto the stack, at which point you must choose a target player. Third, players have a chance to respond with spells or abilities. Finally, if the ability resolves, the targeted player takes the top three cards of their library and places them directly into their graveyard.
Common Mistakes to Avoid
A frequent error is assuming that a permanent turning into a land triggers Landfall. According to official rulings, if a permanent already on the battlefield becomes a land, it does not trigger Hedron Crab. Additionally, remember that Landfall triggers for every individual land; if multiple lands enter simultaneously, you get a separate trigger for each one and can stack them in any order you choose.
When to Play It
Ideally, Hedron Crab should be played on turn one to maximize the number of land drops that follow it. It is particularly effective in decks that use fetch lands or ramp spells to trigger Landfall multiple times in a single turn. Because it targets a player, it can also be used on yourself if your deck relies on graveyard recursion.
Interaction examples
You have Hedron Crab on the battlefield and play an Island for your turn. The Landfall ability triggers, you target your opponent, and they put the top three cards of their library into their graveyard.
You use Ornithopter of Paradise to produce mana to cast additional spells or protect your Crab. While the Ornithopter does not trigger Landfall itself, it ensures you have the blue mana required to keep your mill engine running while providing a flying blocker.
If your opponent is struggling with the cards you've milled, you can use Faerie Mastermind's ability to force each player to draw. This reduces their library count even further while potentially triggering the Mastermind's own card-draw ability if it's their second draw of the turn.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Hedron Crab
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
A landfall ability triggers whenever a land you control enters for any reason. It triggers whenever you play a land, as well as whenever a spell or ability puts a land onto the battlefield under your control.
No other card is named in this ruling.
- #2· Wizards of the Coast
A landfall ability doesn't trigger if a permanent already on the battlefield becomes a land.
No other card is named in this ruling.
- #3· Wizards of the Coast
Whenever a land you control enters, each landfall ability of the permanents you control will trigger. You can put them on the stack in any order. The last ability you put on the stack will be the first one to resolve (As a result, you can have those abilities resolve in the order of your choosing.).
No other card is named in this ruling.
Legal formats
Commentaires
- Sois le premier à commenter cette carte.
Read next
Meta decks with Hedron Crab
No archived Top 8 deck with this card yet.



Ornithopter of Paradise
Faerie Mastermind