Honestly, to get a 6/5 Saberspine the kara player has to keep the card in hand for 6 consecutive turns and invest a total of 6 mana just to do 6 face damage (12 if the opponent has absolutely no way of removing it without face). Songhai can do this turn 2 with 2 x phenix fire for 4 mana.
How the heck is that even remotely problematic?
I don’t see the problem with rush in general either. 3 mana for 3 damage isn’t exactly thrilling. Its just a bad phenix fire with limited range. Yes it can be buffed but as long as CP doesn’t print a 2 mana give +10 atk card or something like that it isn’t much of a problem either. With frost fire its 6 damage for 5 mana with 2 cards, still far from problematic. The best you can get out of a tiger is using it with 4 mana and Greater Fortitude but even then, a 5/4 for 4 mana, even with rush, isn’t that big of a problem. And this combo is only available to Magmar who already has Elucidator anyway. Really don’t see the big deal here.

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