Roy Greenhilt, Veteran Fighter

Double strike, Menace
Whenever Roy Greenhilt, Veteran Fighter attacks, roll a D20. Then, an effect occurs based on the number rolled.
•1: Roy Greenhilt, Veteran Fighter gains -4/-0 until end of turn.
•2-9: All attacking creatures get +1/+0 until end of turn.
•10-19: All attacking creatures get +2/+1 until end of turn.
{bull}20: All attacking creatures get a +1/+1 counter and all defending creatures get a -1/-1 counter.