Deadeye Navigator by paying ({1} magic symbol) ({U} magic symbol) , blinking it.
When
Deadeye Navigator enters, its soulbond ability and
Intruder Alarm trigger.
Resolve the
Deadeye Navigator trigger, pairing it with
Thranduil.
Resolve the
Intruder Alarm trigger, untapping all creatures.
Repeat.
Notes
If you happen to control an Elf that has haste, you can perform the combo only controlling two Elves and blink the Elf with haste each loop. Otherwise, you can blink
Thranduil or any other creature that isn't tapping for mana.
Results
Infinite ETB.
Infinite LTB.
Infinite blinking.
Infinite blue mana.
Infinite green mana.
Infinite mana creatures you control can produce.
Infinite untap of creatures.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).