Red Resonator

Level 2 FIRE/Fiend Tuner Monster
600 ATK / 200 DEF

When this card is Normal Summoned: You can Special Summon 1 Level 4 or lower monster from your hand. When this card is Special Summoned: You can target 1 face-up monster on the field; gain LP equal to its ATK. You can only use this effect of "Red Resonator" once per turn.

Rulings – Yugipedia

Printings:

High-Speed Riders: HSRD-EN016 (Common) - 2015-10-01
Duelist Pack: Dimensional Guardians: DPDG-EN024 (Rare) - 2017-05-25
Structure Deck: Soulburner: SDSB-EN020 (Common) - 2019-02-14
Structure Deck: The Crimson King: SDCK-EN007 (Common) - 2023-09-21

Prices:

Cardmarket: 0.17 €
TCGplayer: $ 0.21