The First Sliver of Red

{p/r}{p/r}{p/b}{p/b}{x}{t} Exile X permanents and return
them to the battlefield at the beginning of the
end step with X being the targets power
When The First Sliver of Red, The Second
Sliver of Red, The Third Sliver of Red, The
Fourth Sliver of Red are on the battlefield,
you cannot lose life or gain life