Signal Warrior

1 Tuner + 1+ non-Tuner monsters Once per turn, during the Standby Phase: Place 1 Signal Counter on each face-up card in the Field Zone, also place 1 on this card. This card with a Signal Counter(s) cannot be destroyed by battle or your opponent's card effects. Once per turn: You can remove 4, 7, or 10 Signal Counters from anywhere on the field; apply this effect, depending on the number removed. ●4: Inflict 800 damage to your opponent. ●7: Draw 1 card. ●10: Destroy 1 card on the field.