This card cannot be destroyed by battle. This card cannot be changed to Defense Position, except with a card effect. When this card is Summoned, toss a coin: Heads: Negate the effects of your Spells, Traps and Effect Monsters' effects that target this card, and destroy them. Tails: Negate the effects of your opponent's Spells, Traps and Effect Monsters' effects that target this card, and destroy them.