Super Luck now gives an additional +1 to crit ratios allowing for high critical hit moves to always crit

Pokemon with this ability and moves
Absol- Night Slash, Psycho Cut, Shadow Claw
Honkcrow- Night Slash, Shadow Claw, Drill Peck
Unfezant- Slash (new), Drill Peck (new), Drill Run (new)

How much better would these pokemon be?