Is effectively what the title suggests, but I’ll provide additional context. Using the quest reward Victim’s Spectre, you gain a copy of the last friendly minion who died at the beginning of your turn. However, if this copy is of the same minion which had also been summoned by the bassgill’s deathrattle that turn, and this causes the minion to triple, it locks the minion out from being played or even summoned. The game thinks that the minion is always summoned by the bassgill’s deathrattle, which applies chains around the card in your hand so it cannot be summoned twice. I have a clip of this happening but do not know how or if I can add that to the post.
I guess this could technically be intended, as it is a “copy” of the last minion that died, but it does feel a bit unfair and probably not intentional.