Creatures you control get +1/+0 until end of turn.
"Fear rules those weak enough to accept it." —Greven *il*-Vec
Illustrated by DiTerlizzi · Exodus · #73
There are no rulings for Scare Tactics.
All creatures get -1/-0 until end of turn.
All creatures get -2/-0 until end of turn.
Until end of turn, creatures you control get +1/+1 and creatures your opponents control get -1/-1.
Until end of turn, target creature you control gets +1/+1 and target creature an opponent controls gets -1/-1.
Target creature gets -1/-1 until end of turn for each Swamp you control.