2 Sephiroth, Fabled SOLDIER An Unremoveable Blood Artist Emblems are the only thing in Magic: The Gathering you can't remove
Red, Black, Blue & Green with white pattern
Even with the 50% more effect than Sleight you will find that Adventurous Impulse is less good sooner than the maths would suggest (ie when your deck is a third non-creature, non-land cards)
My advice would be to wait another week or two for supply to increase as players start cracking their prerelease kits and packs, and then snag the singles you need
Looking past the idea that the deck could have included more alternate win conditions, 20 Ways To Win certainly seems worthy of purchase if you like the aesthetics of the mythological interpretation of the tanuki
This new energy was the first to be added since the inclusion of Dark and Metal types, marking a momentous occasion for the series