that depends of what first stack do you have
devils are around 10.000 (if he hit you a counter) if you have let say.. 100.000 unicorns with miracle love and peace and a shieldmaiden
i think you can survive ir with no problem
that hapens when you see mages with 20.000 or 30.000 lands
even without miracle i don´t think that 10.000 devils kill 100.000 unicorns with love and peace and shieldmaiden and hp bonus by fort