T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ ThunderDamage | TriggerDescription$ When CARDNAME enters the battlefield, it deals 1 damage to each creature with flying your opponents control. Tap those creatures.
SVar:ThunderDamage:AB$ DamageAll | Cost$ 0 | NumDmg$ 1 | ValidCards$ Creature.withFlying+OppCtrl | ValidDescription$ each creature with flying you don't control | SubAbility$ ThunderTap
SVar:ThunderTap:DB$ TapAll | Cost$ 0 | ValidCards$ Creature.withFlying+OppCtrl | ValidDescription$ each creature with flying you don't control
Oracle:Flying, haste\nWhen Thundermaw Hellkite enters the battlefield, it deals 1 damage to each creature with flying your opponents control. Tap those creatures.