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.