Lands and creatures you control can tap to produce at least ({4} magic symbol) ({R} magic symbol) ({R} magic symbol) .
({2} magic symbol) ({G} magic symbol) available.
Steps
Cast Sylvan Awakening by paying ({2} magic symbol) ({G} magic symbol) , causing all lands you control to become 2/2 Elemental creatures that are still lands until end of turn.
Activate all mana producing lands and creatures you control by tapping them, adding at least ({4} magic symbol) ({R} magic symbol) ({R} magic symbol) .
Activate Aggravated Assault by paying ({3} magic symbol) ({R} magic symbol) ({R} magic symbol) , untapping all creatures you control and getting an additional combat and main phase after this phase.