In a multiplayer game, it does expire if you leave the game
And, of course, you can't mention Gisela without mentioning Heartless Hidetsugu, which deals damage to each player equal to half of their life total
Brine Hag is a our very first 'Hag' creature, with a pretty fun art of it lurking -- rather uncomfortably, I might add -- on a rocky outcropping while the waves slam onto her
Only adding counters after saddling weakens the card dramatically
This card feels like an excellent finisher for mono-green decks because it can come down early, survive certain types of targeted removal and board wipes, and then buff up your entire team to a game-ending threat for five mana
It also pairs well with discard outlets in The Gitrog Monster decks where it can go infinite