Dogmatika Fleurdelis, the Knighted

Level 8 LIGHT/Spellcaster Effect
2500 ATK / 2500 DEF

During the Main Phase, if a monster Special Summoned from the Extra Deck is on the field (Quick Effect): You can Special Summon this card from your hand, then, if you control another "Dogmatika" monster, you can negate the effects of 1 face-up monster on the field, until the end of this turn. When your "Dogmatika" monster declares an attack: You can make all "Dogmatika" monsters you currently control gain 500 ATK. You can only use each effect of "Dogmatika Fleurdelis, the Knighted" once per turn.

Rulings – Yugipedia

Printings:

Rise of the Duelist: ROTD-EN008 (Secret Rare) - 2020-08-06
2021 Tin of Ancient Battles: MP21-EN104 (Ultra Rare) - 2021-09-30
Structure Deck: Albaz Strike: SDAZ-EN006 (Common) - 2022-04-14
THE CHRONICLES DECK: The Fallen & The Virtuous (All-Foil Edition): CH01-EN015 (New artwork)
THE CHRONICLES DECK: The Fallen & The Virtuous (All-Foil Edition): CH01-EN015 (Secret Rare)
THE CHRONICLES DECK: The Fallen & The Virtuous (All-Foil Edition): CH01-EN015 (Starlight Rare)

Prices:

Cardmarket: 0.13 €
TCGplayer: $ 0.15