Vylon Segment

Equip Spell

Equip only to a "Vylon" monster. It cannot be targeted by the opponent's monster effects or Trap effects. If this face-up card on the field is sent to the Graveyard: You can add 1 "Vylon" Spell Card from your Deck to your hand.

Rulings – Yugipedia

Printings:

Duel Terminal 6b: DT06-EN095 (Duel Terminal Normal Parallel Rare) - 2012-05-25
Hidden Arsenal 6: Omega Xyz: HA06-EN057 (Super Rare) - 2012-07-24

Prices:

Cardmarket: 0.55 €
TCGplayer: $ 0.20