1Parhelion II
This Looter is a lot of things all in one neat package and so gets a lot of slots for doing two different things in the deck, sometimes you need a two drop to even your curve, sometimes you need evasion to utilize other effects and have a way of winning, sometimes you simply need more bodies in your build, sometimes you are land light and really want some more early draw to make your land drops more likely and sometimes you have some situational spells you really want a good way of putting to alternate use
Planeswalkers and haste creatures exist in a very interesting equilibrium, where the more prevalent haste is, the worse and worse Planeswalkers become
And youre packing all those cards in your Shorikai, Genesis Engine EDH deck already
I am perfectly sure Mox Amber will spend more time inactive in this list than Mox Opal does in affinity lists and that is certainly not a zero amount of time
Ultimately, this is a pretty cheap way to get up to doubling your attack triggers, but ends up more limited than Windcrag Siege or Isshin as its only for creatures