Brass, Time Shifter

When Brass, Time Keeper enters the battlefield,
create a colorless Timepiece artifact token with
"{w}{t} : Exile the top card of your library.
{b}{t} : Exile target card in your graveyard."
{w}{u}{t} : Exile a card in your hand.
You may cast nonland cards exiled by the
Timepiece of with Brass.