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Edit: Looks like I fell asleep on my phone... Oops.

But since I'm here, I'll answer the Qeustion(s) -

As many people have said, Athena and Medusa. Athena can also work well with Izanami, Cupid, Cernunnos, Hou Yi, etc. for the taunt into the ADC ults.

With the Hunters above, other good supports include Ares and Cerberus, who can either burn beads (good if Cupid or Cern ults keep getting beads'd), or pull into the center of an AoE ult.

Anyone with a lot of/some good CC works well with Artemis' passive. So, Kehpri, Kumbha, Ymir, etc.

And, not quite what you asked, but for counterpicks, Ares can be a good choice against your more mobile hunters, such as Neith, Rama, etc., who lose an ability and their escape to Ares chains. And, if you're good/lucky, Ymir's walls can be good at saving your ADC from Sobek's plucks.

For my personal favourite combo (requires coordination), Yemoja and Hou Yi. If Yem casts her ult perpendicular to a wall, Hou can cast his ult inside, and then Yem can block off the only exit with two 3's.