Crystalline Resonance 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
Whenever you cycle a card, you may have this enchantment become a copy of another target permanent until your next turn, except it has this ability.
Complete guide
Crystalline Resonance is a versatile enchantment that allows your board to adapt at a moment's notice. By leveraging the cycling mechanic, you can transform this card into a copy of any permanent on the battlefield, keeping your opponents guessing. Whether you need an extra defensive tool or a powerful utility piece, this card ensures your cycling deck always has the right answer.
What It Does
Crystalline Resonance has a triggered ability that activates whenever you cycle a card. When this happens, you may choose another target permanent on the battlefield. Crystalline Resonance then becomes a copy of that permanent until your next turn begins, with one important exception: it retains its own ability, allowing it to transform again if you cycle another card later in the turn.
How It Resolves Step by Step
First, you pay the cycling cost of a card in your hand and discard it; this puts the Crystalline Resonance trigger on the stack. Next, you choose a legal target permanent for the copy effect. When the ability resolves, Crystalline Resonance copies the printed values of that target (or its current copy characteristics). Note that it does not copy counters or temporary effects like power boosts. Finally, the effect lasts until your next turn's untap step begins, at which point it reverts to being Crystalline Resonance.
Common Mistakes
A frequent error involves targeting Planeswalkers or Auras. If you copy a Planeswalker, Crystalline Resonance will enter the graveyard immediately because it has zero loyalty counters. Similarly, if you copy an Aura, it will be put into the graveyard unless it is somehow already attached to a valid object. Also, remember the 'Legend Rule'; if you copy a legendary permanent you already control, you must choose one to keep and put the other into the graveyard.
When to Play It
This card shines in decks with high cycling density, acting as a flexible 'wild card' on the table. It is best used reactively during an opponent's turn to gain a defensive benefit or during your turn to double up on a powerful static ability. Because the ability is optional, you never have to change Crystalline Resonance if you prefer its current form or its base enchantment state.
Interaction examples
Rhystic StudyIf your opponent casts a spell and you have a card to cycle, you can cycle it and have Crystalline Resonance become a copy of Rhystic Study. Now you have two copies of the Study on the board, forcing your opponent to pay {2} or let you draw two cards for every spell they cast until your next turn.
PropagandaWhen an opponent prepares for a massive attack, you can cycle a card to turn Crystalline Resonance into a copy of Propaganda. This effect stacks with any existing Propaganda effects, making it significantly more expensive for your opponent to declare attackers against you.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Crystalline Resonance
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
Crystalline Resonance copies the printed values of the target permanent, plus any copy effects that have been applied to it. It won’t copy counters on that permanent or effects that have changed its power, toughness, types, color, or so on. Notably, it won’t copy effects that made the target permanent become a creature.
No other card is named in this ruling.
- #2· Wizards of the Coast
If Crystalline Resonance copies a permanent that’s copying something else, it will become whatever the target is copying.
No other card is named in this ruling.
- #3· Wizards of the Coast
If another permanent becomes a copy of Crystalline Resonance, it will become whatever Crystalline Resonance is copying and it will also have its ability.
No other card is named in this ruling.
- #4· Wizards of the Coast
If Crystalline Resonance’s ability triggers multiple times in a turn, then each time one of those abilities resolves, it will overwrite whatever Crystalline Resonance is copying. Crystalline Resonance will wind up as a copy of the permanent targeted by the last ability to resolve. As your next turn begins, all instances of the ability will wear off at the same time.
No other card is named in this ruling.
- #5· Wizards of the Coast
If an effect begins to apply to Crystalline Resonance before it becomes a copy of another permanent, that effect will continue to apply.
No other card is named in this ruling.
- #6· Wizards of the Coast
If Crystalline Resonance becomes a creature the same turn it enters the battlefield, you can’t attack with it or use any of its
abilities (if it gains any) unless it has haste.No other card is named in this ruling.
- #7· Wizards of the Coast
If Crystalline Resonance becomes a copy of a legendary permanent you control, you’ll put one of them into its owner’s graveyard.
No other card is named in this ruling.
- #8· Wizards of the Coast
If Crystalline Resonance becomes a copy of an Aura, it’s put into its owner’s graveyard unless it’s somehow attached to an appropriate object or player already. If it becomes a copy of an Equipment and is attached to a creature, it’ll become unattached when it becomes an enchantment again.
No other card is named in this ruling.
- #9· Wizards of the Coast
If Crystalline Resonance becomes a copy of a planeswalker, it won’t receive loyalty counters for that planeswalker’s starting loyalty. Unless it already has loyalty counters on it somehow, it will be put into its owner’s graveyard.
No other card is named in this ruling.
- #10· Wizards of the Coast
Crystalline Resonance’s copy effect wears off immediately before your next turn begins.
No other card is named in this ruling.
- #11· Wizards of the Coast
If Crystalline Resonance becomes a copy of an object with a set of linked abilities (for example, one ability that exiles a card and another that refers to the card “exiled with” the object), that link only lasts as long as Crystalline Resonance is copying that object. If it stops being a copy of that object and then becomes a copy again later, the link is lost.
No other card is named in this ruling.
- #12· Wizards of the Coast
Some cards with cycling have an ability that triggers when you cycle them, and some cards have an ability that triggers whenever you cycle any card. These triggered abilities resolve before you draw from the cycling ability.
No other card is named in this ruling.
- #13· Wizards of the Coast
Triggered abilities from cycling a card and the cycling ability itself aren’t spells. Effects that interact with spells (such as that of Cancel) won’t affect them.
No other card is named in this ruling.
- #14· Wizards of the Coast
You can cycle a card even if it has a triggered ability from cycling that won’t have a legal target. This is because the cycling ability and the triggered ability are separate. This also means that if either ability is countered (with Disallow, for example), the other ability will still resolve.
No other card is named in this ruling.
Legal formats
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