Exploder Dragonwing

Card text as printed in this era1 Tuner + 1 or more non-Tuner Dragons ① At the start of the Damage Step, if this card battles a monster: You can destroy that monster, and if you do, your opponent takes damage equal to that destroyed monster's ATK on the field (This card's ATK must be greater than or equal to that monster's ATK to activate and to resolve this effect).