Meklord Astro the Eradicator (LED7-EN022) - Legendary Duelists: Rage of Ra 1st Edition

Target 3 "Meklord" monsters with different names in your GY; add them to your hand, OR Special Summon them, ignoring their Summoning conditions. Until the end of your next turn after this card is activated, you cannot Special Summon monsters, except Machine monsters. If you control a "Meklord Astro" monster: You can banish this card from your GY; destroy 1 Synchro Monster your opponent controls, and if you do, inflict damage to your opponent equal to its original ATK. You can only use each effect of "Meklord Astro the Eradicator" once per turn.