Soul ring

{x}{t} Add mana of any color equal to twice {x} you lose triple {x} life. Put {x} soul counters on Soul Ring

{w}{u}{b}{r}{g} Soul Ring becomes an x/x colorless artifact creature where x is soul count and with the abilities of all exiled cards.

{t} Exile target permanent

{c}{c}{c}{c}{c} Exile all creatures. You lose twice that much life. Put half of that number of soul counters on this permanent.