Mischievous Quanar on the battlefield (face down).
Notable Prerequisites
Lands you control can tap to produce at least ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Steps
Activate all lands you control by tapping them, adding at least ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Mischievous Quanar's morph ability by paying ({1} magic symbol) ({U} magic symbol) ({U} magic symbol) , turning it face up.
Mischievous Quanar triggers, copying
Turnabout.
Resolve the copy of
Turnabout, untapping all lands you control.
Activate all lands you control by tapping them, adding at least ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Activate
Mischievous Quanar by paying ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) , turning it face down.
Repeat from step 3.
Results
Infinite copies of instant and sorcery spells on the stack.
Infinite magecraft triggers.
Infinite mana permanents you control can produce.
Metadata
In 73 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Spicy (Bracket 3-4+).