Hermetic Study attached to any untapped creature you control.
Artifacts, creatures, and/or lands you control can tap to produce at least ({3} magic symbol) .
Steps
At the beginning of your upkeep,
Sands of Time triggers.
Holding priority, tap all mana producing permanents you control, adding at least ({3} magic symbol) .
Activate the creature enchanted by
Hermetic Study by tapping it, dealing 1 damage to any target.
Activate
Strionic Resonator by paying ({2} magic symbol) and tapping it, copying
Sands of Time's ability.
Resolve the copy of
Sands of Time's ability, untapping all tapped artifacts, creatures and lands you control and tapping all untapped artifacts, creatures, and lands you control.