Anomaly

For the Anomalies in Battlegrounds, see Anomaly.

An anomaly is an effect that is revealed prior to each player's mulligan and activates after the mulligan for both players. Effect types of Anomalies can be either an one-time trigger at the start of game, which activates after mulligan but before any Start of Game effects; or an ongoing effect or triggered effect that is bound to both players. Up to 2 Anomalies can be present at once in a game.

Anomalies are featured in the Fall of Ulduar mini-set as uncollectible cards, and can be activated by Cho'gall, Twilight Chieftain.

Events

• From September 20, 2023 until Patch 28.0, Anomalies had the chance to be active in all Constructed (Standard, Wild and Twist formats), Arena, and Practice mode games.
  • During the first week, from September 20 to September 26, Anomalies had a 100% chance to appear in any of those games.
  • From September 26 until Patch 28.0, Anomalies only had a 25% chance to appear instead of 100%.
  • If Cho'gall, Twilight Chieftain was played in one of the games where an Anomaly was active, it was possible to have two Anomalies active at the same time.
• From July 2 until July 9, 2024, certain Anomalies were active in all Standard and Wild games.
  • This event had a more curated pool, with only the following anomalies being active: Uncontrollable Growth, Fast Track, Army of the Corrupted, Spread of Corruption, Driven to Greed, Driven to Excess, Opportunity Knocks, Shifting Fate, Light in the Dark, Gift of Gluttony, Your Eyes Betray You.

Notes

• The players can inspect the active Anomalies while in-game by hovering over the purple icon above the History bar.
• Internally, cards are considered active Anomalies when they have the tag 2895=1. Inactive Anomalies do not have this tag.

Active Anomalies

July event

The following Anomalies can appear as part of the ongoing Anomaly event of July 2024:

Cho'gall, Twilight Chieftain

There are currently a total of 19 Anomalies that can appear in games from Cho'gall, Twilight Chieftain.

Active Anomalies

Active Anomalies
Swipe left or right to see the cards.

Inactive Anomalies

There are currently a total of 1 Anomalies that are disabled and cannot appear in games.

Inactive Anomalies

Inactive Anomalies
Swipe left or right to see the cards.

Trivia

• Anomalies previously existed in The Dalaran Heist and Tombs of Terror as spin-off features. However, they had different functions (with the most notable being that they actually belonged to the player's deck and had a Passive-like effect, while constructed Anomalies can also be shown prior mulligan and belong in a different, unique zone).