The problem with Squall is that if I want to pull the (gunblade) trigger, I'm not sure if it'll be fun for my opponents
While in practice it plays out pretty smoothly once everybody is aware of what happens when, there are numerous tricky aspects of it that I'd like to show you for each chapter This land doesn't inherently have a mana ability - it gains it through the first chapter trigger
However, when Urzas Saga came along, The Abyss got a major upgrade, thanks to the printing of what was once considered the best creature in Magic: Morphlings untargetable ability meant it could survive a The Abyss indefinitely, while also jumping over Moats from time to time
After that turn, the regenerate shield is used up
Often, cards like this arent good because they only exile creatures but Temporary Lockdown hitting all nonland permanents is a huge boon for its playability