what do you think about Glint-Sleeve Siphoner if youre running the energy package?

I have used her before. I like her, but I think she works better in a deck that is dedicated to energy. She clogs the 2-drop slot too much. Although I was just looking at some cards and there maybe an option for a Jund Energy deck. Die Young, Glint-Sleeve, Hydra. Need some good 3-drops though.

As tempting as is to play lots and lots of spells, I think you need to run 1-2 more lands. It's crucial in this type of decks to play on curve every turn. Also I'd run at least 1 copy of Vraska, Relic Seeker.

As far as the land is concerned, I tried running 23 and actually got flooded more often than I cared for. Between Servant and Attune I haven't had any issues hitting land. Also with Attune and Servant it is a lot easier to keep opening hands as you only need 2-3 lands, and Attune and/or Servant.

I like Vraska, I really do, however she would make this deck a little more too heavy than I would like. I tried her and anytime I could play her it just felt like a winmore in this deck. I am going to try her out in an Abzan control deck, we'll see how she does there.