Tavern tier 7 — every Battlegrounds minion and spell

Captain Sanders

Battlecry: Make a friendly minion from Tier 6 or below Golden.

Champion of Sargeras

Battlecry and Deathrattle: Give minions in the Tavern +8/+8 this game.

Futurefin

At the end of your turn, give this minion's stats to the left-most minion in your hand.

Highkeeper Ra

Battlecry, Deathrattle, and Rally: Get a random Tier 6 minion.

Jailbird Juggernaut

Rally: Summon a Golem with this minion's stats to attack the target first.

Obsidian Ravager

Rally: Deal damage equal to this minion's Attack to the target and an adjacent minion.

Polarizing Beatboxer

Whenever you Magnetize to a different minion, it also Magnetizes to this.

Sandy

Start of Combat: Transform into a copy of your teammate's highest- Health minion.

Sea Witch Zar'jira

Spellcraft: Choose a different minion in the Tavern to get a copy of.

Sha of Fear

Whenever you cast a Tavern spell, give your minions and Deity +4/+3.

Stalwart Kodo

After you summon a minion in combat, give it this minion's maximum stats. (3 times per combat.)

Stitched Salvager

Start of Combat: Destroy the minion to the left. Deathrattle: Summon an exact copy of it. (Except Stitched Salvager.)

Stone Age Slab

After you buy a minion, give it +20/+20 and double its stats. (Once per turn.)

The Last One Standing

Rally: Give a friendly minion of each type +15/+15 permanently.