Meklord Astro Dragon Asterisk [LC5D-EN166] Secret Rare

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by controlling 3 or more "Meklord" monsters. When this card is Special Summoned: You can target any number of "Meklord" monsters you control, except this card; send those targets to the Graveyard, and if you do, this card's ATK becomes the combined original ATK of the monsters sent to the Graveyard by this effect. Each time a Synchro Monster(s) is Special Summoned: Inflict 1000 damage to the Summoning player.