I actually like the design on the bloodrush goblin. Pay 1R to pump, and if anyone gets through and you've got 3 left over, put him back in-hand for next turn. It's like a burn spell in creature form. (Expensive though, clearly.)
We already knew about the other two
Emmara is underwhelming but she'll get work done very well in limited
Warleader's Helix is going to be a solid card in both Limited and T2, might take longer for it to be relevant in T2 however.
You don't call "dying to removal" if the removal is more expensive in resources than the creature. If you have to spend BG (Abrupt Decay), or W + basic land (PtE) to remove a 1G, that is not "dying to removal". Strictly speaking Goyf dies to removal, but actually your removal is dying to Goyf.
Pyrewild Shaman is going to be very good. Like him a lot. Despite initial thoughts, very flexible as it can be used directly on unblocked creatures, or can make an unfavorable trade w/ opponent (1/1 + bloodrush trades w/ their X/4 or less blocker). And recursion which isnt a Gruul (muchless Red's) strong suit.
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"Ask the right questions in the right way and truth is inevitable."
For that Shaman can you bloodrush then if you have the mana open be able to pay 3 and get it back in the same turn? I know having 5 to give something plus and bring it back is a stretch for standard just wanted to clarify if that worked the way I thought.