So the solution goes like this:
- You Heal the [Shieldbearer] with your Hero Power.
- You play the [Wild Pyromancer] and the [River Crocolisk].
- Use [Holy Smite] on the enemy hero.
- Play double [Circle of Healing]. Your opponent draws 31 cards (14 from each [Circle of Healing] + from the [Lesser Heal] on the [Shieldbearer] + 1 from the start of his turn) and he had 24 in his deck. Meaning 1+2+3+4+5+6+7=28 damage and 2 from the [Holy Smite]