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 Blasting Station by tapping it and sacrificing Myr Retriever.
Myr Retriever triggers, returning Mishra's Bauble from your graveyard to your hand.
Resolve the Blasting Station ability, dealing 1 damage to any target.
Cast Mishra's Bauble by paying ({0} magic symbol) .
Teshar triggers, returning Myr Retriever from your graveyard to the battlefield.
Blasting Station triggers, untapping itself.
Repeat.
Results
Infinite card draw at the beginning of the next upkeep step.