Flare of Fortitude lets you sacrifice a nontoken white creature instead of paying its cost, and in return, it gives all your permanents hexproof and indestructible until end of turn, while also locking your life total
Because it doesnt target anything, its able to bounce everything regardless of what immunities those permanents have
Now here's a paradox for you all to chew on: the Homelands document shows us an intricately balanced setting, filled with lots interesting characters and even more foreshadowing of a future conflict
However, the Murders at Karlov Manor set gave us this incredible enchantment, which in turn dethroned Esper Sentinel
It is expensive, costing a lot of resources your account will not have unless you buy them in the games cash shop, and it is hard