Crystal Energy (146/147) [Aquapolis] Metal[×2] if an effect of a

if an effect of a "Wind-Up" monster is activated: You can add 1 Level 4 or lower "Wind-Up" monster from your Deck to your hand

Set: Duelist Pack: Kaiba Card type: Normal Spell Rarity: Super Rare Attack: 0 Defense: 0 Special Summon 1 "Metal Fiend Token" (Fiend-Type/DARK/Level 1/ATK 0/DEF 0)

Set: Gold Series: Haunted Mine Card type: Effect Monster Rarity: Gold Rare Attack: 2700 Defense: 1800 You can Special Summon this card (from your Graveyard) by returning 1 face-up "Dark World" monster you control to the hand

except "Magnarokket Dragon"

Set: The Dark Side of Dimensions Movie Pack: Gold Edition Card type: Effect Monster Rarity: Gold Rare Attack: 0 Defense: 0 When a face-up "Blue-Eyes" monster(s) you control is destroyed by battle or an opponent's card effect

Crystal Energy (146/147) [Aquapolis] Metal[×2] if an effect of aSet: Aquapolis Type: Special Energy Rarity: Uncommon