Activate Urza's Bauble by tapping and sacrificing it, looking at a random card in target player's hand and drawing a card at the beginning of the next turn's upkeep.
Activate Tameshi by paying ({W} magic symbol) and returning Mystic Sanctuary to your hand, returning Urza's Bauble from graveyard to the battlefield.
Cast Time Warp by paying ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) , taking an extra turn after this one.
Play Mystic Sanctuary.
Mystic Sanctuary enters the battlefield, putting Time Warp from your graveyard to the top of your library.
Cast Urza's Bauble by paying ({0} magic symbol) .
Move to your next turn.
At the beginning of your upkeep, Urza's Bauble triggers, causing you to draw a card.