Roiling Vortex 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
At the beginning of each player's upkeep, this enchantment deals 1 damage to them. Whenever a player casts a spell, if no mana was spent to cast that spell, this enchantment deals 5 damage to that player.: Your opponents can't gain life this turn.
Complete guide
Roiling Vortex is a powerful red enchantment that punishes players for slow play and free spells alike. It serves as a constant clock on the game while preventing opponents from stabilizing through life gain. Whether you are facing control decks or fast combo strategies, this card ensures every resource comes at a steep price.
Continuous Pressure and Penalty
Roiling Vortex has two distinct triggered abilities. The first triggers at the beginning of each player's upkeep, dealing 1 damage to the active player. The second is a defensive trigger that checks if a player cast a spell without spending mana. If a player casts a spell for free, the Vortex immediately triggers to deal 5 damage to them.
Resolving the Damage
When a player casts a spell for no mana, the Vortex's 5-damage trigger goes on the stack on top of that spell. This means the damage resolves before the spell does. Even if the spell is countered, the damage still occurs. The activated ability costing one red mana is a special effect that lasts for the duration of the turn, preventing any life gain from occurring after it has resolved.
Timing and Strategy
To maximize the effectiveness of Roiling Vortex, you should activate its third ability in response to life-gain triggers or spells. Note that activating it will not reverse life that was already gained earlier in the turn; it only prevents future life gain until the turn ends. In multiplayer formats like Two-Headed Giant, the upkeep trigger happens twice, once for each player on the active team.
Common Mistakes
Players often forget that Roiling Vortex affects the controller too. You will take 1 damage during your own upkeep. Additionally, the 5-damage penalty applies to any spell cast for zero mana, including those cast via alternative costs that result in zero mana spent, regardless of the spell's actual mana value.
Interaction examples
Impact TremorsAt the start of your turn, Roiling Vortex triggers at the beginning of your upkeep. You take 1 damage. Later, if you play a creature, Impact Tremors triggers to damage your opponent, but these two enchantments operate on different timing windows (upkeep versus creature entry).
Underworld BreachIf you use Underworld Breach to cast a spell from your graveyard by paying its mana cost and exiling cards, Roiling Vortex will not trigger its 5-damage ability because mana was spent. However, if you cast a spell with a mana cost of 0 from your graveyard, the Vortex will trigger and deal 5 damage to you because no mana was spent.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Roiling Vortex
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
An ability that triggers when a player casts a spell resolves before the spell that caused it to trigger. It resolves even if that spell is countered.
No other card is named in this ruling.
- #2· Wizards of the Coast
Activating Roiling Vortex’s last ability won’t undo any life gained before it resolved.
No other card is named in this ruling.
- #3· Wizards of the Coast
In a Two-Headed Giant game, Roiling Vortex’s first ability triggers twice during each team’s upkeep. Each instance deals 1 damage to one of the players on that team.
No other card is named in this ruling.
Legal formats
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Meta decks with Roiling Vortex
No archived Top 8 deck with this card yet.