I have an abnormal affection for Lupine Prototype in any such deck (aggro, quick hand dumping, no need for combat trick instants). Not sure it works here but it may be worth a consider.
Before Hollow One came along, the similar play style Vengevine decks liked to play a lot of Burning Tree Emissary into Myr Superion. In that build I found Lupine slotted in nicely as Superions 5-8 - another fat colourless 2-drop that could be the second creature after BTE to trigger a Vengevine return, in a deck that was prone to be at zero cards quickly and needed to hold no surprises for combat.
As described in the op, Bloodghast/Vengevine is an either or situation. Flamewake works out fine - it and VV are the two things you want to discard, and when you bring back VV it serves as the comeback condition for FWP. You meet the VV condition on the backs of 1-drops, 1-and 0-cost Hollow Ones, and (if you play them) net-zero-cost guys like Burning Tree Emissary.
The hilarity. The same thing happened in the RG Super Vengevine thread, when people started playing decks that there 80% the same but tweaked to incorporate Hollow One ("HollowVine"), there was a faction of die-hards who fought any discussion of Hollow One infecting their precious thread because it didn't adhere to their vision of what their deck should be (not caring whether others were interested and thought there was actually a LOT of overlap). Now seeing the same here. Other flavors of the same fundamental deck get a little bit of discussion, and there are immediately people lining up to fight the discussion - not MY deck, not in THIS thread!
So the Hollow One thread doesn't tolerate discussing a deck that includes both Hollow One and Vengevine, the Vengevine thread won't tolerate discussing a deck that includes both Hollow One and Vengevine. I suppose they're forbidden to coexist by forumgoer decree.
My focus right now is a mono-red (by manabase) build that still packs the main pieces of the Hollow One package while still running Vengevines, even though I (virtually) can't even hardcast them and am entirely relying on the graveyard play. Going mono-red partially out of budgetary necessity (my accrued collection of fetches and shocks includes very little red) and partly out of wanting to avoid nonbasic land hate (though I am giving thought to Ramunap Ruins for a little lategame reach).
A sequence that comes up an awful lot: T2 Burning-Tree Emissary then spending the red on Faithless Looting, then after pitching a Vengevine or two, casting a Hollow One for the floating G and getting any graveyard Vengevines into play.
Neonates and Bloodrage Brawlers as further discard means to get Vengevines and Flamewakes into the grave, with Bloodrage also being conveniently large enough to satisfy Flamewake's comeback condition (as are Hollow Ones and Vengevines...)
(edit) oh, Gurmag Angler is the creature-for-1 you're talking about, never mind.
Before Hollow One came along, the similar play style Vengevine decks liked to play a lot of Burning Tree Emissary into Myr Superion. In that build I found Lupine slotted in nicely as Superions 5-8 - another fat colourless 2-drop that could be the second creature after BTE to trigger a Vengevine return, in a deck that was prone to be at zero cards quickly and needed to hold no surprises for combat.
So the Hollow One thread doesn't tolerate discussing a deck that includes both Hollow One and Vengevine, the Vengevine thread won't tolerate discussing a deck that includes both Hollow One and Vengevine. I suppose they're forbidden to coexist by forumgoer decree.
My focus right now is a mono-red (by manabase) build that still packs the main pieces of the Hollow One package while still running Vengevines, even though I (virtually) can't even hardcast them and am entirely relying on the graveyard play. Going mono-red partially out of budgetary necessity (my accrued collection of fetches and shocks includes very little red) and partly out of wanting to avoid nonbasic land hate (though I am giving thought to Ramunap Ruins for a little lategame reach).
4x Bloodrage Brawler
4x Burning-Tree Emissary
4x Flamewake Phoenix
4x Reckless Bushwhacker
4x Hollow One
4x Vengevine
4x Street Wraith
4x Faithless Looting
20x Mountain
A sequence that comes up an awful lot: T2 Burning-Tree Emissary then spending the red on Faithless Looting, then after pitching a Vengevine or two, casting a Hollow One for the floating G and getting any graveyard Vengevines into play.
Neonates and Bloodrage Brawlers as further discard means to get Vengevines and Flamewakes into the grave, with Bloodrage also being conveniently large enough to satisfy Flamewake's comeback condition (as are Hollow Ones and Vengevines...)