Give Rescue a second charge.

[Rein_eon_Osborne]

[...]Let whoever stands in Leylines for example be immune to knockback effects.

I was that one sprout back in 5.2 that once thought I'd get the faster cast time by standing in my party BLM's Leyline, so I did lol.

Suffice to say, some were unhappy because I attract AoE to their floor grafitti... xD It didn't last long though!