Mystic Retrieval and Time Stretch in your graveyard.
Anhelo and Talrand on the battlefield.
You control at least one additional creature with power two or greater.
You have not cast an instant or sorcery this turn.
({8} magic symbol) ({U} magic symbol) ({U} magic symbol) , plus at most ({3} magic symbol) ({U} magic symbol) every third extra turn, and ({8} magic symbol) ({U} magic symbol) ({U} magic symbol) every fourth extra turn available.
Steps
Cast Time Stretch by paying ({8} magic symbol) ({U} magic symbol) ({U} magic symbol) and sacrificing a creaature with power two or greater, targeting yourself.
Time Stretch's casualty ability and Talrand trigger.
Resolve the Time Stretch trigger, copying it, targeting yourself.
Resolve the Talrand trigger, creating a 2/2 Drake creature token.
Resolve both Time Stretchs, causing you to take four extra turns after this one.
Move to your third extra turn.
Cast Call to Mind by paying ({2} magic symbol) ({U} magic symbol) and sacrificing a creature with power 2 or greater, targeting Mystic Retrieval.
Call to Mind's casualty ability and Talrand trigger.
Resolve the Call to Mind trigger, copying it, targeting Time Stretch.
Resolve the Talrand trigger, creating a 2/2 Drake creature token.
Resolve both Call to Minds, returning Time Stretch and Mystic Retrieval from your graveyard to your hand.
Move to your fourth extra turn.
Repeat step 1 through 6 one additional time.
Cast Mystic Retrieval by paying ({3} magic symbol) ({U} magic symbol) and sacrificing a Drake, targeting Call to Mind.
Mystic Retrieval's casualty ability and Talrand trigger.
Resolve the Mystic Retrieval trigger, copying it, targeting Time Stretch.
Resolve the Talrand trigger, creating a 2/2 Drake creature token.
Resolve both Mystic Retrievals, returning Time Stretch and Call to Mind from your graveyard to your hand.