Fiendsmith's Agnumday

2+ monsters, including a LIGHT Fiend monster
Once per turn (Quick Effect): You can target 1 non-Link LIGHT Fiend monster in your GY; Special Summon it, and if you do, equip this card you control to it as an Equip Spell with these effects.
●The equipped monster gains ATK equal to the total Link Ratings of the Link Monster Cards equipped to it x 600.
●If the equipped monster attacks a Defense Position monster, inflict piercing battle damage to your opponent.