Power Creep
Once a staple card, this weapon is now power crept by every weapon-using class sans Demon Hunter, including its own.
Fiery War Axe
This adventure was the first to offer no player-constructed deck battles.
Dungeon Run
Buffed in the Rise of the Mechs update, these two cards were later reverted for being too powerful.
Extra Arms and Luna's Pocket Galaxy
This player was Hearthstone's first World Champion, immortalized in a Hunter common.
Firebat
This Beast theme hero was removed early with Giantfin, and has not returned since.
King Mukla
This expansion features the two first neutral examples of cards "strictly better" than their basic counterparts.
The Grand Tournament
This minion found in Maexxna's deck is not on Kel'thuzad's approved card list.
Sea Giant
In the most recent balance patch, this many cards were adjusted in power.
Ten
Winning the most recent Global Finals in 2019, VKLiooon is represented by this Beast from Ashes of Outlands.
Mok'nethal Lion
This meta-warping card was the first removed minion from the Battlegrounds.
Nightmare Amalgam
Not counting Rogue and Lilian Voss, this many classes have a "Yeti" with an upside.
Four
A special weapon in the Arch-Thief Rafaam fight in League of Explorers interacts with this rarity of cards.
Rare
This Hunter spell was the first card to be nerfed after the official release of Hearthstone
Unleash the Hounds
2015's Champion, Ostkaka, has this One Night in Karazhan card reference the translation of his name, "cheesecake" in its flavor text.
Priest of the Feast
Gentle Megasaur is unable to give Murlocs these two Adapt choices.
Stealth, Can't be targeted by spells or Hero Powers
This card has been invalidated by the release of a cheaper version in its class's Basic set.
Power Word: Tentacles
Already a reference to the Onyxia Raid Wipe, this card has special voicelines to reference the "beams" in the Netherspite boss fight.
Raid Leader
Phantom Militia is a subtle reference to Tom60229, but is voiced by him in this language.
DAILY DOUBLE
Traditional Chinese
This number of minions can be found exclusively at Tier Six.
Eleven
Ignoring the Beast tag, this number of cards are strictly better than Silverback Patriarch.
This ultra-rare treasure in Tombs of Terror has an unlock condition still unknown to players.
Sack of Lamps
Arcane Golem
After winning off of Babbling Book, many incorrectly believe this similar card to be a reference to Pavel.
Chittering Tunneler
These two dragons share their names and arts, but not effects, with minions from Rumble Run.
Glyph Guardian and Herald of the Flame