During the Standby Phase: You can have all "HERO" monsters you control gain 400 ATK (even if this card leaves the field). If a Level 8 or higher "Destiny HERO" monster(s) or a "Destiny End Dragoon" is Special Summoned to your field (except during the Damage Step): You can banish 1 card from your opponent's hand (random), field, or GY. If this card in the Spell & Trap Zone is destroyed by card effect: You can add 1 "Destiny HERO" monster from your Deck to your hand. You can only use each effect of "D - Tactics" once per turn.