Vylon Element

Continuous Spell

When any face-up "Vylon" Equip Card(s) you control are destroyed (except during the Damage Step): You can Special Summon an equal or lower number of "Vylon" Tuner monsters from your Deck. They cannot be used as Synchro Material Monsters, except for the Synchro Summon of a "Vylon" Synchro Monster.

Rulings – Yugipedia

Printings:

Duel Terminal 6a: DT06-EN044 (Duel Terminal Normal Parallel Rare) - 2012-02-03
Hidden Arsenal 6: Omega Xyz: HA06-EN026 (Super Rare) - 2012-07-24

Prices:

Cardmarket: 0.33 €
TCGplayer: $ 0.22