Dogmatika Ashiyan (MP21-EN172) - Prismatic Secret Rare

If a Fusion, Synchro, Xyz, or Link Monster(s) is sent to the GY (except during the Damage Step): You can Special Summon this card from your hand. If this card is Special Summoned from the hand: You can target 1 "Dogmatika" card in your GY, except "Dogmatika Ashiyan"; add it to your hand. When an opponent's monster declares an attack: You can make all "Dogmatika" monsters you currently control gain 500 ATK. You can only use each effect of "Dogmatika Ashiyan" once per turn.