Red Dragon Archfiend¶

Edisonformat.net (Revised, Post-UTW Rulings)¶

Source: https://edisonformat.net/card?name=Red%20Dragon%20Archfiend

Edison-Accurate PSCT¶

① After Damage Calculation, if this card attacks an opponent’s Defense Position monster: Destroy all their Defense Position monsters. ② During your End Phase: Destroy all other monsters you control that did not declare an attack this turn (Activate & Resolve only if this card is face-up on the field).

Card Rulings¶

• The ① effect activates before Flips, or effects like “D.D. Warrior” or Giant Rat” can activate. (A Flip Effect monster’s effect will activate on a new chain after it is destroyed. The others listed here don’t.)

Edisonformat.com (Historical, Pre-UTW Rulings)¶

Source: https://www.edisonformat.com/rulings

Card Text¶

① If this card attacks a Defense Position monster your opponent controls, destroy all Defense Position monsters your opponent controls after damage calculation. ② During your End Phase, destroy all other monsters you control that did not declare an attack this turn.

Card Rulings¶

• The ① mandatory Trigger Effect activates & resolves on the field.

  • This effect in Substep 5 - After Damage Calculation (before Flip Effects activate).

  • A Set Flip Effect Monster attacked by this card and destroyed by battle still activates its Flip Effect in Substep 6 - Resolve Effects, even if this effect destroyed it earlier in the Damage Step.

  • VS. “Giant Rat”: a Defense Position battle tutor that was destroyed by battle cannot activate its effect in Substep 7 - End of the Damage Step, if this effect of “Red Dragon Archfiend” destroys it.

• The ② mandatory Trigger Effect activates during each of your End Phases.

  • This effect activates even if all monsters you control declared attacks this turn.

  • A monster whose attack was negated (by “Magic Cylinder”) is destroyed by this effect.