LEDs resembling solar panels. The card's info says: BRFT-EN067: Solar Power Normal Trap Target 1 face-up LED Pony monster equipped with an Equip Card(s); double that target's ATK. You must control another LED Pony monster to activate and to resolve this effect. If that target battles a DARK monster: That DARK monster's ATK is halved during the Damage Step. (Sparkle Rare)