Abyss-sphere [ABYR-EN072] Ultra Rare Sea Serpent When an opponent's monster declares

When an opponent's monster declares an attack: Toss a coin and if the result is heads

You can only use this effect once per turn

Set: OTS Tournament Pack 7 Card type: Link/Effect Monster Rarity: Ultimate Rare Attack: 1000 1 Normal Monster Once per turn: You can Special Summon 1 Level 4 or lower Normal Monster from your hand to your zone this card points to

inflict damage to your opponent equal to half the original ATK of that monster

Cannot be targeted by an opponent's card effects

Abyss-sphere [ABYR-EN072] Ultra Rare Sea Serpent When an opponent's monster declaresSet: Abyss Rising Card type: Continuous Trap Rarity: Ultra Rare Attack: 0 Defense: 0 Special Summon 1 "Mermail" monster from your Deck. Its effects are negated. You cannot activate any Spell Cards. When this card leaves the field, destroy that monster. Destroy this card during your opponent's next End Phase after activation.