The Holy Grail

Indestructible, hexproof
Exile The Holy Grail: choose 1 or more—
{x}{b}: Target player sacrifices X creatures he or
she controls.
{x}{r}: Exile X lands target player controls.
{x}{g}: Create X 1/1 squirrel creature tokens.
{x}{w}: Target player gains X life.
{x}{u}: Target player draws X cards.