56 cards where the set is “sld” and (the collector number >= 610 and the collector number <= 668)

Bonescythe Sliver (Secret Lair Drop #610)
Constricting Sliver (Secret Lair Drop #611)
Essence Sliver (Secret Lair Drop #612)
Pulmonic Sliver (Secret Lair Drop #613)
Sidewinder Sliver (Secret Lair Drop #615)
Ward Sliver (Secret Lair Drop #617)
Diffusion Sliver (Secret Lair Drop #618)
Galerider Sliver (Secret Lair Drop #619)
Mesmeric Sliver (Secret Lair Drop #620)
Psionic Sliver (Secret Lair Drop #621)
Screeching Sliver (Secret Lair Drop #622)
Scuttling Sliver (Secret Lair Drop #623)
Shadow Sliver (Secret Lair Drop #624)
Synapse Sliver (Secret Lair Drop #626)
Telekinetic Sliver (Secret Lair Drop #627)
Winged Sliver (Secret Lair Drop #628)
Basal Sliver (Secret Lair Drop #629)
Dregscape Sliver (Secret Lair Drop #631)
Leeching Sliver (Secret Lair Drop #632)
Plague Sliver (Secret Lair Drop #633)
Plague Sliver (Secret Lair Drop #633Φ)
Syphon Sliver (Secret Lair Drop #634)
Toxin Sliver (Secret Lair Drop #635)
Toxin Sliver (Secret Lair Drop #635Φ)
Belligerent Sliver (Secret Lair Drop #636)
Blur Sliver (Secret Lair Drop #637)
Fury Sliver (Secret Lair Drop #638)
Homing Sliver (Secret Lair Drop #640)
Magma Sliver (Secret Lair Drop #641)
Sedge Sliver (Secret Lair Drop #642)
Spiteful Sliver (Secret Lair Drop #643)
Striking Sliver (Secret Lair Drop #644)
Thorncaster Sliver (Secret Lair Drop #645)
Two-Headed Sliver (Secret Lair Drop #646)
Brood Sliver (Secret Lair Drop #647)
Gemhide Sliver (Secret Lair Drop #648)
Horned Sliver (Secret Lair Drop #649)
Manaweft Sliver (Secret Lair Drop #650)
Megantic Sliver (Secret Lair Drop #651)
Might Sliver (Secret Lair Drop #652)
Muscle Sliver (Secret Lair Drop #653)
Predatory Sliver (Secret Lair Drop #654)
Quick Sliver (Secret Lair Drop #655)
Root Sliver (Secret Lair Drop #656)
Tempered Sliver (Secret Lair Drop #657)
Virulent Sliver (Secret Lair Drop #659)
Virulent Sliver (Secret Lair Drop #659Φ)
Cloudshredder Sliver (Secret Lair Drop #660)
Crystalline Sliver (Secret Lair Drop #661)
Frenetic Sliver (Secret Lair Drop #662)
Harmonic Sliver (Secret Lair Drop #663)
Hibernation Sliver (Secret Lair Drop #664)
Lavabelly Sliver (Secret Lair Drop #665)
Necrotic Sliver (Secret Lair Drop #666)
Opaline Sliver (Secret Lair Drop #667)
Sliver Hive (Secret Lair Drop #668)

This search is finished. Now the real work can begin.