Lands you control can tap to produce at least ({3} magic symbol) ({UR} magic symbol) ({UR} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Steps
During an opponent turn, activate all mana producing lands you control by tapping them, adding at least ({3} magic symbol) ({UR} magic symbol) ({UR} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Activate Soulfire Grand Master by paying ({2} magic symbol) ({UR} magic symbol) ({UR} magic symbol) , causing you to put the next instant or sorcery spell you cast this turn into your hand as it resolves.
Cast Reset by paying ({U} magic symbol) ({U} magic symbol) , untapping all lands you control and putting Reset into your hand as it resolves due to Soulfire Grand Master.