Card Rulings:Subterror Behemoth Stygokraken
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 target Set cards on the field, equal to the number of "Subterror Behemoth" monsters you control; destroy them" is a Trigger Effect that can optionally be activated when "Subterror Behemoth Stygokraken" itself is flipped face-up. (It targets Set cards on the field, equal to the number of face-up "Subterror Behemoth" monsters in your Monster Zone.)[1]
- The effect "destroy them" can be activated even if "Subterror Behemoth Stygokraken" is flipped face-up during the Damage Step.[1]