Together, these inks amplify each others strengths
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Lifelink recoups some of the life lost to cast said spells, which in turn makes Yawgs kiddo an even bigger lifelinker
I'm also a tad curious why Skullwinder isn't one of the options, it's bad if you usually have worse cards than your opponents (if you get back a Grizzly Bears and they get Questing Beast you'd have been better off with E-Wit), but the ceiling is very high on it if you can make a deal with an opponent (this is also a great example of recursion with added upside that makes it more versatile)
We could see some kind of punishment effect, like that on Ruric Thar, the Unbowed
It's popularly played in the 99 of a Ojer Axonil, Deepest Might build as playing from exile themes can incur a lot of noncombat damage that synergize with its ability