Elemental HERO Shining Phoenix Enforcer [DR04-EN213] Ultra Rare High-Speed Riders when a card effect is

when a card effect is activated in your opponent's Graveyard

and send that card to the Graveyard

This monster can only be Special Summoned by Tributing "Petit Moth" on the 6th of your turns after "Petit Moth" has been equipped with "Cocoon of Evolution"

Set: Return of the Duelist Card type: Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 2100 You can reveal 3 "Spellbook" Spell Cards in your hand

destroy that monster

Elemental HERO Shining Phoenix Enforcer [DR04-EN213] Ultra Rare High-Speed Riders when a card effect isSet: Dark Revelation Volume 4 Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2100 "Elemental HERO Phoenix Enforcer" + "Elemental HERO Sparkman" This monster cannot be Special Summoned except by Fusion Summon. This card gains 300 ATK for each "Elemental HERO" card in your Graveyard. This card cannot be destroyed by battle.