Its also another extra-combat spell for Etali, Primal Storm and other decks that lose out by free-casting traditional extra combat spells during combat when most of them do nothing thanks to the wording usually being after this main phase (which means in combat the spell does nothing)
Starting off with blue, this is a control-oriented color that enjoys life gain as a way to hold off aggressive strategies
The white mode, for example, is still reanimation, but now instead of getting back just a cheap creature, it's able to get back any permanent
In terms of synergy, Doorkeeper Thrull turns your own Phlage, Titan of Fire's Fury into an undercosted 6/6 that sticks around
GSC play a very interesting role in the expansions of the Hive Fleets
Regardless of the quality of the cards Ive designed, I can wholeheartedly say Healers Hawk is a power-level-redefining common and something that I believe would have been as sought-after as Savannah Lions had it been around in the early years of Magic