In the sort of draw-go deck that this will find a home in, leaving 5 mana open isnt going to be a big ask, and youll be backing up your New Way ForwardNew Way Forward with all sorts of alternative answers
The Ancient Metal Dragons Ancient Copper Dragon Ancient Brass Dragon Ancient Silver Dragon Ancient Gold Dragon Ancient Bronze Dragon These five Dungeons & Dragons inspired dragons are all fairly powerful, and they also get significantly better with haste to get that saboteur effect right away
If you have other effects that double triggers, these stack alongside Katara
9 Tenth District Hero She Finally Gets Her Own Card The unofficial hero of the streets of Ravnica, the Tenth District Hero is the latest in a long line of cards featuring Mileva, a Boros recruit whose heroic deeds have been chronicled across several cards in different Ravnican sets
Hermetic Study/Psionic Gift ( Saga/Legacy/Destiny & Odyssey/Torment/Judgment ) In both sets, these cards served a similar purpose: kill small creatures or allow your smaller creatures to threaten large ones in combat (for instance, Hermetic Study would allow your 2/2 creature to attack into a 3/3 creature with the threat of your third Hermetic Studied creature sweeping away the 3/3 should it block)
Tezzeret, Cruel Captain Again, Tezzeret can almost be considered free with Basalt Monolith or Thran Dynamo, and this time it's with Tezzeret, Cruel Captain