Link Decoder

Link 1 DARK/Cyberse Link Monster
300 ATK

1 Level 4 or lower Cyberse monster
If this card is sent to the GY as material for a Cyberse Link Monster with 2300 or more original ATK: You can Special Summon this card, but banish it when it leaves the field. You can only use this effect of "Link Decoder" once per turn.

Rulings – Yugipedia

Printings:

Battles of Legend: Monstrous Revenge: BLMR-EN013 (Ultra Rare) - 2023-06-22

Prices:

Cardmarket: 0.31 €
TCGplayer: $ 0.58