Aura of Protection

All allies within a 15 meter radius including you gain an effect which you choose upon casting. You choose either effect:

Protection Aura: while the spell is in effect all allies gain extra AC this is an extra 2 AC at 2st level. When cast at higher level the AC bonus increases by 1 per level of slot above 2nd level

Health Aura: while the spell is in effect all allies gain 2d4 hp at the start of your turn. When cast at higher level the healing bonus increases by 1d4 per level of slot above 2nd level