50 cards where the set is “spg” and the collector number > 18

Noxious Revival (Special Guests #73)
Unholy Heat (Special Guests #71)
Maddening Hex (Special Guests #70)
Sacrifice (Special Guests #69)
Soul Warden (Special Guests #65)
Hallowed Haunting (Special Guests #64)
Phantasmal Image (Special Guests #67)
Expropriate (Special Guests #66)
Damnation (Special Guests #68)
Secluded Courtyard (Special Guests #63)
Frogmite (Special Guests #61)
Toski, Bearer of Secrets (Special Guests #60)
Sylvan Tutor (Special Guests #59)
Kindred Charge (Special Guests #58)
Relentless Rats (Special Guests #57)
Rat Colony (Special Guests #56)
Ledger Shredder (Special Guests #55)
Swords to Plowshares (Special Guests #54)
Sword of Fire and Ice (Special Guests #62)
Collected Company (Special Guests #72)
Fury (Special Guests #47)
Endurance (Special Guests #48)
Thought-Knot Seer (Special Guests #39)
Expressive Iteration (Special Guests #43)
Persist (Special Guests #42)
Grief (Special Guests #46)
Dismember (Special Guests #41)
Subtlety (Special Guests #45)
Prismatic Ending (Special Guests #40)
Prismatic Vista (Special Guests #38)
Desert (Special Guests #37)
Notion Thief (Special Guests #36)
Mystic Snake (Special Guests #35)
Scapeshift (Special Guests #34)
Port Razer (Special Guests #33)
Desertion (Special Guests #31)
Morbid Opportunist (Special Guests #32)
Brazen Borrower // Petty Theft (Special Guests #30)
Stoneforge Mystic (Special Guests #29)
Solitude (Special Guests #44)
Victimize (Special Guests #23)
Tireless Tracker (Special Guests #26)
Tragic Slip (Special Guests #22)
Ghostly Prison (Special Guests #19)
Show and Tell (Special Guests #21)
Field of the Dead (Special Guests #28)
Gamble (Special Guests #24)
Fabricate (Special Guests #20)
Drown in the Loch (Special Guests #27)
Crashing Footfalls (Special Guests #25)

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.