Dogmatikacism

Equip Spell

If the equipped monster is a "Dogmatika" monster, it gains ATK equal to its Level x 100. If not, it loses 200 ATK for each "Dogmatika" monster you control. If this card is sent to the GY because the equipped monster is destroyed: You can send 1 monster from your Extra Deck to the GY. You can only use this effect of "Dogmatikacism" once per turn.

Rulings – Yugipedia

Printings:

Phantom Rage: PHRA-EN054 (Common) - 2020-11-05
2021 Tin of Ancient Battles: MP21-EN203 (Common) - 2021-09-30

Prices:

Cardmarket: 0.10 €
TCGplayer: $ 0.08