Black Sun's Zenith [Mirrodin Besieged] Toys "R" Us Throwdown Promo when exactly 1 other Pendulum

when exactly 1 other Pendulum Monster you control (and no other cards) is returned to your hand by an opponent's card effect (except during the Damage Step): You can Special Summon 1 monster from your hand with the same name as that returned to the hand

When this card leaves the field

Special Summon 1 monster with the same name from your Extra Deck

Set: Strike of Neos Card type: Fusion/Effect Monster Rarity: Super Rare Attack: 4000 Defense: 2800 "Cyber Dragon" + "Cyber Dragon" + "Cyber Dragon" A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters

Set: Rise of Destiny Card type: Fusion/Effect Monster Rarity: Rare Attack: 2200 Defense: 1500 "Dark Blade" + "Pitch-Dark Dragon" Each time this card inflicts Battle Damage to your opponent

Black Sun's Zenith [Mirrodin Besieged] Toys "R" Us Throwdown Promo when exactly 1 other PendulumSet: Mirrodin Besieged Type: Sorcery Rarity: Rare Cost: {X}{B}{B} Put X 1 1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library. "Under the suns, Mirrodin kneels and begs us for perfection." Geth, Lord of the Vault