"But once, with a magician's help, Time was stopped and Day stood still."
—"Love Song of Night and Day"

Visions

Sands of Time

Each player skips his or her untap phase.
At the beginning of each player's turn, untap each tapped artifact, creature, and land he or she controls and tap each untapped artifact, creature, and land he or she controls.

Each player skips their untap step.
At the beginning of each player's upkeep, that player simultaneously untaps each tapped artifact, creature, and land they control and taps each untapped artifact, creature, and land they control.