BG Card Database

All Anomalies in Hearthstone Battlegrounds

Anomalies are match-wide rule changes selected at the start of every Battlegrounds lobby — they reshape which builds, tribes, and pacing patterns are viable for that game. Browse all 30 anomalies in Season 13 below — Match-modifying rules with full effect descriptions. Click any card for full details.

All Bottled Up

Anomaly·0/0·Start of Turn

At the start of each turn, get a Portal in a Bottle.

Anomalous Conflux

Start with 'Warped Conflux' as your second Hero Power.

Anomalous Cube

Start with 'Mystery Cube' as your second Hero Power. It unlocks on Turn 5. (4 turns left!)

Anomalous Expedition

Anomaly·0/0·Discover

At the start of the game, Discover minions from Tiers 6, 4, and 2 to get at those Tiers.

Anomalous Timeline

Start with 'Alternate Timeline' as your second Hero Power.

Audience's Choice

Anomaly·0/0·Start of Turn

At the start of each turn, one player chooses a card for ALL players to get at end of turn.

Bring in the Buddies

Buddies are in the Tavern.

Cosmic Duality

Anomaly·0/0·Discover

At the start of the game, Discover a second Hero Power.

Darkmoon Faire Prizes

Anomaly·0/0·Discover

Every 4 turns, Discover a Darkmoon Faire Prize. (3 turns left!)

Double Header

The first time you buy a card each turn, get an extra copy of it.

False Idols

You only need 2 copies to make minions Golden. They give Tavern Coins instead of Triple Rewards.

Fly the Flag

Every 3 turns, get a spell that adds plain copies of a minion to YOUR minion pool. (3 turns left!)

Golden Arrow

Every 3 turns, get a Golden Arrow. (3 turns left!)

Golganneth's Tempest

Anomaly·0/0·Refresh

Minions cost 2 Gold. You cannot Refresh the Tavern. It Refreshes itself after you buy a card.

Grapnel of the Titans

The first minion you buy each turn is free.

Greater Fortune

Start with 'Greater Crystal Ball' as your second Hero Power.

Greater Pouches

Start with 'Growing Collection' as your second Hero Power.

Lesser Fortune

Start with 'Lesser Crystal Ball' as your second Hero Power.

Lesser Pouches

Start with 'Fantastic Treasure' as your second Hero Power.

Marin's Treasure Box

All heroes are Marin the Manager. Make 'Growing Collection' your second Hero Power.

Oathstone's Summoning

Minor Timewarped minions enter the Tavern pool on Turn 7, and Major ones on Turn 10.

Perfected Alchemy

Start with a Goldenizer.

Pooled Resources

You can send up to 2 Gold to your teammate each turn.

Scout's Honor

Start with a Golden Patient Scout in play.

Secrets of Norgannon

Tavern Tier 7 exists. Start with 10 extra Armor.

The Yogg-iseum

Anomaly·0/0·Start of Turn

At the start of each turn, ALL players spin the SAME Wheel of Yogg-Saron.

Treasure Hoard

Anomaly·0/0·Discover

On Turn 7, Discover a Golden Tier 5 minion. (6 turns left!)

Treasure Hoard

Anomaly·0/0·Discover

On Turn 8, Discover a Golden Tier 6 minion. (7 turns left!)

Unforeseen Portal

Visit a Timewarp on a random turn this game.

Up-Prizing

Anomaly·0/0·Discover

After you upgrade the Tavern, Discover a Tier 1 Darkmoon Prize. (Improves in 3 turns!)