Cone of Cold

Roll a d20.

1 -9 | Tap all creatures your opponents control.
10 -19 | Tap all creatures your opponents control.
Those creatures don't untap during their controller's
next untap steps.
20 | Tap all creatures your opponents control.
Those creatures don't untap during their controller's
next untap steps. Until your next turn,
creatures your opponents control enter tapped.