Normally, wed want to keep some of our own creatures around
If you were at 1 life and nine poison counters and Glistener Elf attacked you, youd die to poison counters
Zombie synergies built in are also a nice touch and provide a really solid shell for this to work with
P/T Set Number 405 Language Espaol Legal Formats Commander, Historic, Legacy, Modern, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Pauper, Pioneer, Standard, Timeless Rulings (6/16/2023) The Balrog, Durin's Bane's first ability can't reduce its cost to less than
Solitude can take care of many threats that are just too big for Prismatic Ending, most notably Murktide Regent but also things like Emrakul, the Aeons Torn, and so the two work very well together
Thunder Magic and Dreams of Laguna, for instance, can fulfill URs condition despite having respective mana values of 1 and 2