Deception
From “Tota Scriptura”, Joey Day’s personal Scripture topic index wiki
God sends lying spirits, delusions
1Ki 22:19–23 (cf. 2Ch 18:18–22); Job 12:16–25; Eze 14:7–9; 2Th 2:11–12; Rev 17:17
God blinds eyes and hardens hearts
Jn 9:39–41; 12:39–40 (cites Isa 6:10); Ro 11:7–10
God conceals things
Dt 29:29; Pr 25:2; Mt 11:25–27 (cf. Lk 10:21–24); Mt 13:10–11
Satan is the great deceiver
Jn 8:44; 2Co 4:3–4; 11:3; 2Th 2:9–10; Rev 12:9
The heart is deceitful
Jer 17:5, 9