Combat Boon

Close-quarters spell
At-Will
Effect: 

Make a basic melee attack. If the attack hits, you or one conscious nearby ally can roll a save against a save ends effect.

5th Level Spell: 
The save gains a +1 bonus.
7th Level Spell: 
If the attack hits, you and your nearby conscious allies can roll a total of two saves (one per character).
9th Level Spell: 
The save bonus increases to +2.
Adventurer Feat: 

If you score a critical hit with the combat boon attack, the subsequent save automatically succeeds.

Champion Feat: 

One nearby conscious ally can roll a save even if your attack misses.