Healing Bloon excels in tempo decks, best deployed when there are large swarms of injured Bloons. The Bloon itself is a mild threat, but its On Play effect punishes opponents who can’t fully pop Bloons before they leak. If the opponent tries to leak a few Bloons when chipped, Healing Bloon can be used as a finisher.
Healing Bloon works best when combined with large amounts of Bloons with high health. It can be used with cards like BFB, Soulstealer Bloon, Golden Blimp, or other high health lategame threats as a finisher.
Soulstealer Bloon in particular is a great synergizer, as the 30 damage all Bloons take on your side can be negated by Healing Bloon.
Healing Bloon's healing effect is immediate, unlike Prince of Darkness which favors continuous healing. Both are often seen in tempo, and give more overall health than most cards that only increase health.
Compared to a Ceramic Bloon, the Healing Bloon has 50 less HP and costs 1 Gold more.
Damaged MOAB has good synergy with Healing Bloon, due to it by default being hurt and susceptible to healing.