1 Samuel 18:21
And Saul said, I will give him her, that she may be a snare to him, and that the hand of the Philistines may be against him. Wherefore Saul said to David, Thou shalt this day be my son in law in the one of the twain.
Cross-reference
1 Samuel 18:17 shows Saul's earlier identical scheme with Merab, revealing his repeated pattern of using daughters as bait.
1 Samuel 18:26 records David's pleased acceptance of the marriage offer, unaware of Saul's deadly intent behind it.
1 Samuel 19:11 continues Saul's attempts on David's life, now directly sending assassins, escalating from the snare plot.
1 Samuel 19:12 shows Michal helping David escape, ironically thwarting Saul's plan that she be a snare to him.
Psalm 38:12 describes David's enemies laying snares for his life — a direct parallel to Saul's plot in 18:21.
Proverbs 26:24-26 describes hiding hatred with friendly speech — Saul pretends goodwill while plotting David's death.
Proverbs 29:5 says flattery spreads a net — Saul's offer of Michal is flattery masking a deadly trap.
2 Samuel 11:15 shows David later using the same tactic—putting a man in battle to die—mirroring Saul's plot against him.
2 Samuel 12:7 reminds David that God delivered him from Saul, contrasting his later sin of killing Uriah like Saul tried to kill him.
Psalm 37:12 states the wicked plots against the righteous—Saul directly plots David's death through the Philistine battle.
Proverbs 10:18 condemns concealing hatred with lying lips—exactly Saul's deception in offering Michal while planning David's death.
Proverbs 26:26 says hatred covered with deception will be exposed—Saul's hidden malice behind the marriage offer fits perfectly.
Jeremiah 9:8 describes deceitful speech while laying wait, echoing Saul's deceptive offer of his daughter to harm David.
Psalm 10:10 depicts the wicked crouching to ambush the helpless, mirroring Saul's scheme to ensnare David by using Michal as bait.
Jeremiah 5:26 uses the same 'snare' imagery for wicked men laying traps, mirroring Saul's plot to ensnare David.