Cast Temporal Trespass by paying ({8} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) , causing you to take an extra turn after this one and exile Temporal Trespass.
Activate Isochron Scepter by paying ({2} magic symbol) and tapping it, casting a copy of Pull from Eternity without paying its mana cost.
Resolve Pull from Eternity, putting Temporal Trespass into your graveyard from exile.
Move to your next turn.
Cast Temporal Trespass from your graveyard by paying ({8} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) , causing you to take an extra turn after this one and exile Temporal Trespass.