So i was playing this brawl (i ended it just now: 00:44 AM Poland Time and not gonna turn back HS for now so you might be able to track it down) and i managed by accident create an invisible taunt. I belive i had like 3 minions (mech warpers i believe) on the board, i played Da Undatakah and magnetized to him the 4 mana 2/4 paladin mech with divine shield and taunt* and i either ended my turn before animations could end or he already became invisible and i casted Ysera’s spell that deals 5dmg to all characters. The Undatakah was nowhere to be seen, however at the end of the turn he still used the 6man 4/4 mech’s ability to hit everything (that animation did play). I thought that maybe just my client got bugged but in later turns i saw my opponent trying to attack me, but he did not, he tried few times so i’m pretty sure he also could not see the Undatakah but his taunt was working. I’ve placed a ticked cuz i have no idea how to report bugs here and did not want to make it public on forums cuz it might be easy to replicate with other minions. It might be that rapidly playing magnetized minions before their animations could end bugged the game that way. Also with invisible Undatakah on the board my hero’s emotes did not show up after being chosen, you could hear the sound of them, but not see the speech clouds/bubbles.
If you want me to get some files i can, but i’m pretty sure it’s too late now since my opponent conceded and i have no records of the game (but i dunno, there might be sth in game files)
*The Undertakah had already few things on him from earlier turns (magnetized 1/1 rush mech, 6mana 4/4 mech that attacks all characters at the end of the turn and lifesteal from paladin’s 2 mana buff spell) and had deathrattles of 2mana 2/3 beast get 3 armor (two of them) and 2mana 1/3 paladin minion with “return this minion to deck, keeps all enchantments”.