15 cards where the set is “otp” and the collector number >= 66 and the collector number <= 80

Leyline Binding (Breaking News #66)
Mana Drain (Breaking News #67)
Mindbreak Trap (Breaking News #68)
Overwhelming Forces (Breaking News #69)
Thoughtseize (Breaking News #70)
Crackle with Power (Breaking News #71)
Indomitable Creativity (Breaking News #72)
Force of Vigor (Breaking News #73)
Anguished Unmaking (Breaking News #74)
Crime // Punishment (Breaking News #75)
Fractured Identity (Breaking News #76)
Oko, Thief of Crowns (Breaking News #77)
Contagion Engine (Breaking News #78)
Grindstone (Breaking News #79)
Mindslaver (Breaking News #80)

The arc of my blade has carved a path of light to the end of these results.