Immortal Phoenix Gearfried (AMDE-EN049) [Amazing Defenders]

You can banish 1 Equip Spell from your field or GY; Special Summon this card from your hand. At the start of the Damage Step, if this card attacks: You can equip 1 face-up monster on the field to this card (max. 1) as an Equip Spell that gives this card 500 ATK. When a monster effect is activated (Quick Effect): You can send 1 face-up Equip Card you control to the GY; negate the activation, and if you do, destroy it. You can only use each effect of "Immortal Phoenix Gearfried" once per turn.