Synkron Resonator

Level 1 DARK/Fiend Tuner Effect
100 ATK / 100 DEF

If a Synchro Monster is on the field, you can Special Summon this card (from your hand). You can only Special Summon "Synkron Resonator" once per turn this way. If this card is sent from the field to the Graveyard: You can target 1 "Resonator" monster in your Graveyard, except "Synkron Resonator"; add it to your hand.

Rulings – Yugipedia

Printings:

High-Speed Riders: HSRD-EN017 (Common) - 2015-10-01
Duelist Pack: Dimensional Guardians: DPDG-EN021 (Common) - 2017-05-25
Structure Deck: The Crimson King: SDCK-EN006 (Common) - 2023-09-21

Prices:

Cardmarket: 0.13 €
TCGplayer: $ 0.22