1. Tank pulls
2. Tank takes some damage
3. Start casting cure
4.a Tank is building threat
4.b Tank is taking steady damage
5. Cure casts
Take a moment to reflect. Can the tank survive 4 seconds without another direct heal?
If they cannot, return to step 3.
If they can move onto step 6.
6. Cast Regen
7. Stop over healing and L2P(repeat as necessary)