Saboteur
When this unit deals combat damage to an opponent's base: You may deal 3 damage to a ground unit that opponent controls.

Saboteur (When this unit attacks, ignore Sentinel and defeat the defender’s Shields.)

When this unit deals combat damage to an opponent’s base: You may deal 3 damage to a ground unit that opponent controls.

Rules Clarifications:

• “Combat damage” is only the damage dealt during the “deal combat damage” step of an attack.