When this card is activated: You can add 1 Drytron Spell Trap from your Deck to your hand, except Drytron Fafnir . The activation and the activated effects of Ritual Spell Cards cannot be negated. Once per turn, if a monster is Normal or Special Summoned face-up while you control a Drytron monster (except during the Damage Step): You can reduce that monster s Level by 1 per 1000 of its current ATK (min. Level 1) for the rest of this turn. You can only activate 1 Drytron Fafnir per turn.