Cyber Dragon Vier

Level 4 LIGHT/Machine Effect Monster
1100 ATK / 1600 DEF

This card's name becomes "Cyber Dragon" while on the field or in the GY. If you Normal or Special Summon "Cyber Dragon", except during the Damage Step: You can Special Summon this card from your hand in Defense Position. You can only use this effect of "Cyber Dragon Vier" once per turn. Each "Cyber Dragon" you control gains 500 ATK/DEF.

Rulings – Yugipedia

Printings:

Cybernetic Horizon: CYHO-EN014 (Common) - 2018-07-26
2019 Gold Sarcophagus Tin Mega Pack: MP19-EN085 (Common) - 2019-08-29
Structure Deck: Cyber Strike: SDCS-EN006 (Common) - 2021-10-14

Prices:

Cardmarket: 0.06 €
TCGplayer: $ 0.11