3 cards where the set is “sld” and (the collector number >= 71 and the collector number <= 73)

Thassa, God of the Sea (Secret Lair Drop #71)
Ephara, God of the Polis (Secret Lair Drop #72)
Kruphix, God of Horizons (Secret Lair Drop #73)

Though this query has ended, its relics still slumber in New Argive.