Capacitor Stalker

Level 5 LIGHT/Cyberse Effect
2000 ATK / 1000 DEF

When this card is Normal Summoned: You can target 1 other Cyberse monster you control; while this face-up monster is on the field, that monster gains 800 ATK. If this card in the Monster Zone is destroyed by a card effect and sent to the GY: Each player takes 800 damage. You can only use this effect of "Capacitor Stalker" once per turn.

Rulings – Yugipedia

Printings:

Circuit Break: CIBR-EN002 (Common) - 2017-10-19
Star Pack VRAINS: SP18-EN007 (Common) - 2018-03-29
Star Pack VRAINS: SP18-EN007 (Starfoil) - 2018-03-29
Star Pack VRAINS: SP18-EN007 (Starfoil Rare) - 2018-03-29
2018 Mega-Tin Mega Pack: MP18-EN105 (Common) - 2018-08-30

Prices:

Cardmarket: 0.03 €
TCGplayer: $ 0.01