Skinwalker Drums

The sound of madness is only maddening if you accept failure.
Range of 5
Deals 3 damage to everything in range (1 dmg to trees)
If used 3 turns consecutively, roll a D20. If you roll 1-7,
lose 3 health. Enemies hit by the drums for 3 consecutive turns have to roll a D20. If they roll 1-14, they lose an extra 3 health. Repeat every subsequent turn.
Flesher BONUS:
If you roll 15-20, you instead gain 3 health and deal 3 extra damage to enemies in your range.