Red Dragon Archfiend (HSRD-EN023)

1 Tuner + 1 or more non-Tuner monsters

After damage calculation, if this card attacks a Defense Position monster your opponent controls: Destroy all Defense Position monsters your opponent controls. During your End Phase: Destroy all other monsters you control that did not declare an attack this turn. This card must be face-up on the field to activate and to resolve this effect.

Dragon / Synchro / Effect, High-Speed Riders