It will mainly be used to interfere with the opponent's turn using the effect of Baramuniel
Keeping access to some graveyard hate on such a multi-functional spell is excellent
You'd probably lost complete control of the game and 15 life wouldn't have done you much good anyway so you don't want to focus on healing specifically, you want it to be a byproduct of spells that are already great without the healing
You can Special Summon a Light or Dark Monster from your banish pile once per turn
One of the dueling dragons in the manga version, summoned by Beelze + Tuner in the work (I feel like it) In OCG, he chooses 2 non-tuners and his Deck that can be used with a DARK tuner, but in Blackfeather, Jund, and Infernity, he often satisfies the summoning conditions without even realizing it
What is the most valuable modern Japanese Pokemon card