Red Gardna

Level 4 FIRE/Fiend Effect
0 ATK / 2000 DEF

During either player's turn, when your opponent activates a card or effect while you control a "Red Dragon Archfiend" monster: You can send this card from your hand to the Graveyard; this turn, monsters you control cannot be destroyed by your opponent's card effects.

Rulings – Yugipedia

Printings:

The Dark Illusion: TDIL-EN015 (Common) - 2016-08-04
Duelist Pack: Dimensional Guardians: DPDG-EN026 (Common) - 2017-05-25
2017 Mega-Tin Mega Pack: MP17-EN070 (Common) - 2017-08-24

Prices:

Cardmarket: 0.04 €
TCGplayer: $ 0.18