Lifeblood Goblet

Indestructible
Whenever a player gains or loses life, you gain
1 life and put a Lifeblood counter on Lifeblood
goblet.
{t} Remove any number of Lifeblood counters
from Lifeblood Goblet, you gain that much life.
When there are 10 Lifeblood counters on
Lifeblood counters on Lifeblood Goblet,
sacrifice it and put a legendary creature token
named Lifeblood Soul-sworn onto the battlefield
under your control.