The Holy Grail

Indestructible. Ward {3}. As an additional cost to
cast this spell, discard a card. The Holy Grail
enters the battlefield with 7 ritual counters on it.
{t}Remove a ritual counter from The Holy Grail:
Gain 3 life or deal 3 damage to any target.
{t}Remove 3 ritual counters from The Holy Grail:
Gain life equal to your devotion to white.
{t}Remove 7 ritual counters from The Holy Grail:
You get an emblem with "Creatures you control
have protection from all colors
except white."