Tavern tier 4 — every Battlegrounds minion and spell

Abyssal Bruiser

Divine Shield Has +2/+1 for each Tavern spell you've cast this game.

Air Baller

When you sell this, give your minions +2/+2. Improve your future Ballers.

Ashen Corruptor

After your hero takes damage, rewind it and give minions in the Tavern +2/+2 this turn.

Auto Assembler

Magnetic Deathrattle: Summon an Ancestral Automaton.

Banana Slamma

After you summon a Beast in combat, double its Attack.

Bigwig Bandit

Rally: Get a random Bounty.

Blade Collector

Also damages the enemies next to whomever this attacks.

Bonker

Windfury Rally: This plays a Blood Gem on all your other minions.

Boom-in-a-Box

Taunt Start of Combat: Deal 3 damage to all other minions.

Bramble Tunneler

Rally: Get a random Choose One card.

Bream Counter

While this is in your hand, after you play a Murloc, gain +6/+6.

Bronze Timewalker

Rally: Get a random Chromadrake.

Cage Gnawer

Whenever a friendly Beast attacks, give your Beasts +2/+1.

Cagey Conjurer

Activate (1): Cast 2 random Tavern spells (targets this if possible).

Captain Cookie

Deathrattle: Get a Chef's Choice.

Clunker Junker

Battlecry: Choose a friendly Mech. Discover a Mech to Magnetize to it.

Cutthroat K'Thir

Whenever you discard a card, give this and your Deity +4/+4.

Dead Bellringer

Activate (1): Give a different friendly Undead Reborn. Then destroy it to gain +4/+4.

Deepwater Chieftain

Battlecry and Deathrattle: Get a Deepwater Clan.

Drone Duplicator

Divine Shield. Activate (1): The next Magnetization to this minion this turn happens an extra time.

En-Djinn Blazer

Battlecry: After the Tavern is Refreshed this game, give a random minion in it +10/+10.

Enchanted Sentinel

Magnetic Your Tavern spells give an extra +1/+1.

Faceless Operative

When you sell this, get 2 random Aberrations. When you play one, discard the other.

Feisty Freshwater

Deathrattle: You and your teammate each gain two free Refreshes.

Flaming Enforcer

At the end of your turn, consume the highest-Health minion in the Tavern to gain its stats.

Friendly Geist

Deathrattle: Your Tavern spells give an extra +1 Attack this game.

Gearfin

At the end of your turn, get two 1-Cost Tavern spells.

Geomagus Roogug

Divine Shield. Whenever a Blood Gem is played on this, this plays a Blood Gem on a different friendly minion.

Glambot

Whenever you cast a spell on a Mech, Magnetize a 4/4 Satellite to it.

Glowing Cinder

Deathrattle: Your Elementals give an extra +2 Health this game.

Grave Narrator

Avenge (3): Your teammate gets a random minion of their most common type.

Gunpowder Courier

Whenever you spend 5 Gold, give your Pirates +2 Attack. (5 Gold left!)

Headhunter Gryphon

Rally: Get a random Beast.

Heroic Underdog

Stealth Rally: Gain the target's Attack.

Hoarding Hyena

Rally: Summon a Tasty Lobster.

Holy Vanguard

Divine Shield Has +15/+15 if you have 15 or less Health.

Humon'gozz

Divine Shield Your Tavern spells give an extra +1/+2.

Imp-lusionist

Deathrattle: Get a Methodical Madness.

Imposing Percussionist

Battlecry: Discover a Demon. Deal damage to your hero equal to its Tier.

Kelp Keeper

Activate (1): Trigger a friendly minion's Battlecry.

Living Prison

Activate (1): Gain the stats of the next minion you buy this turn.

Lovesick Balladist

Battlecry: Give a Pirate +1 Health. (Improved by each Gold you spent this turn!)

Mantid King

After your team Passes, randomly gain Venomous, Taunt, or Divine Shield until next turn.

Maritime Extortionist

Has +7/+7 for each Golden minion you've played this game (wherever this is).

Maw Caster

Battlecry: Destroy a friendly Undead to Discover an Undead.

Mindbending Recruiter

Activate (0): Discard a card to get a random Aberration.

Mirror Monster

When you buy or Discover this, get an extra copy and Pass it.

Motley Phalanx

Taunt Deathrattle: Give a friendly minion of each type +3/+3 permanently.

Nightmare Corroder

Deathrattle: Get a Sludge Corrosion.

Parasitic Fleshling

At the end of your turn, give your left-most minion +2/+2. (Improved by each card you've discarded this game!)

Persistent Poet

Divine Shield. Adjacent Dragons permanently keep Bonus Keywords and stats gained in combat.

Plaguerunner

Deathrattle: Your Undead have +2 Attack this game, wherever they are. (+4 if triggered outside combat!)

Private Chef

Spellcraft: Choose a minion. Get a different random minion of its type, then Pass it.

Razorfen Flapper

Deathrattle: Get a Blood Gem Barrage.

Refreshing Anomaly

Battlecry: Gain 2 free Refreshes.

Rimescale Priestess

Spellcraft: Get a random Tavern spell that gives stats.

Runic Arcanist

Start of Combat: Cast Shiny Ring twice.

San'layn Scribe

Has +4/+4 for each of your team's San'layn Scribes that died this game (wherever this is).

Seafloor Recruiter

Rally: Cast Chef's Choice on the minion to the right.

Shifty Snake

Deathrattle: Your teammate gets a random Deathrattle minion.

Sin'dorei Straight Shot

Divine Shield, Windfury Rally: Remove Reborn and Taunt from the target.

Sky-hatch Runaway

Activate (1): Trigger a friendly minion's Rally.

Snare Trapper

Choose One - Get a random Quilboar; or Increase your maximum Gold by 1.

Snarky Shark

When you sell this, Refresh the Tavern with a Fishbait. Your left-most Beast attacks it.

Soulkeeping Jailer

Activate (2): Your Demons each consume a random minion in the Tavern to gain its stats.

Tavern Tempest

Battlecry: Get a random Elemental.

Thorned Trailblazer

One Choose One card each turn has both effects combined. (1 left!)

Tortollan Blue Shell

If you lost your last combat, this minion sells for 5 Gold.

Twilight Tidehunter

Whenever you cast a spell on this, give the left-most minion in your hand +8/+8.

Zesty Shaker

Once per turn, when a Spellcraft spell is played on this, get a new copy of it.