Your search for "Energy Retrieval 008/018" revealed the following:
Officer (008) // New Planet Token (Foil) (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Nathaniel Himawan & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.
Energy Retrieval - 108/086 - Ultra Rare from Mega Evolution: Chaos Rising, available at 401 Games Canada. Rarity: Ultra Rare Finish: Holofoil Artist: Studio Bora Inc. Card Text:Put up to 2 Basic Energy cards from your discard pile into your...
Energy Retrieval (Japanese) - 003/XY-P - Promo from XY-P: XY Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: Keiji Kinebuchi Card Text:Put up to 2 Basic Energy cards from your discard pile into your hand.