Senko the Skybolt Star

If an EARTH monster(s) is Normal or Special Summoned to your field (except during the Damage Step): You can Special Summon this card from your hand. You can banish this card from your GY, then target 1 Level 5 or higher Warrior monster you control and 1 opponent's Attack Position monster; your monster loses exactly 1500 ATK, and if it does, destroy that opponent's monster. You can only use each effect of "Senko the Skybolt Star" once per turn.