Activate Mishra's Bauble by tapping and sacrificing it, looking at the top card of a player's library 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 Mishra's Bauble from graveyard to the battlefield.
Cast Walk the Aeons by paying ({4} magic symbol) ({U} magic symbol) ({U} magic symbol) , taking an extra turn after this one.
Play Mystic Sanctuary.
Mystic Sanctuary enters the battlefield, putting Walk the Aeons from your graveyard to the top of your library.
Cast Mishra's Bauble by paying ({0} magic symbol) .
Move to your next turn.
At the beginning of your upkeep, Mishra's Bauble triggers, causing you to draw a card.