During either player's turn, if your opponent Summoned 3 or more monsters this turn: You can Special Summon this card from your hand. If this card is Special Summoned this way, it is unaffected by other card effects, but loses 500 DEF during each player's Standby Phase.
How to Get
Unaffected by Monster Cards / Unaffected by Spell Cards / Unaffected by Trap Cards
Espa Roba is coming soon and one of his leaked drops is Psychic Shockwave which let you special summon a Level 6 DARK Machine Monster (like Jinzo). So you could special summon it that what and it also doesn't lose 500 DEF each turn.