Stone of Beginning and End

{t}: add {w}, {b}, or {c}
At the beginning of your upkeep, draw an additional. The put either a white/black 4/4 angel token with flying, 3/3 human vigilance, 2/2 spirit with life link and flying on the battlefield.
During your main phase put X charge counters on Onyx and Pearl when X is equal to the number guardian stones on the battlefield.
{x}{t}: Card in your hand, library, graveyard, exile, and permanents on your side of the battlefield have hexproof and are protected from permanents with the con