OCG Rulings[]
- The effect "When a face-up monster you control is flipped face-down, if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position" is a Trigger Effect that activates in the hand. (It does not target. It cannot be activated during the Damage Step.)[1]
- The effect "You can Special Summon this card from your hand in Defense Position" cannot be activated when a face-up monster in your Monster Zone is changed to face-down Defense Position by an effect activated as Chain 2 or higher.[1]
- The effect "Once per turn: You can change this card to face-down Defense Position" is an Ignition Effect. (It does not target.)[1]
- The effect "FLIP: You can activate this effect; this turn, "Subterror" cards you control cannot be destroyed by your opponent's card effects" is a Trigger Effect that can optionally be activated when "Subterror Behemoth Dragossuary" itself is flipped face-up. (It does not target.)[1]
- The effect "this turn, "Subterror" cards you control cannot be destroyed by your opponent's card effects" can be activated even if "Subterror Behemoth Dragossuary" is flipped face-up during the Damage Step.[1]