Choice Band in Shield Arcadrill
Good:
-6.4 scrafty range
-5.6 piers +3 odds
-15 raihan double 1 (sliggoo always dies)
-0.1 raihan double 2 (introduces rock slide risk but faster than hitting arcanine)
-10.2 raihan double 3 (-18 if you get the hakamo-o range, -5 if you dont)
-10.5 pelipper range (factoring in implications of tailwind)
-8.7 gentleman ranges
-6.5 no withdraw arcanine
-11.2 rk9 levels
-1.5 durant 1
-3.5 durant 2
-6.5 faster macro cosmos double 1
Goods: -1:25.7

Bad:
+26 get choice band
+6 equip choice band (spikemuth gym -> raihan)
+0.9 extra x-attack (over sd) on piers
+6 equip soft sand (raihan)
+5 equip choice band (route 10, already in menu)
+2.7 extra x-attacks
+4.5 equip soft sand (marnie + hop, already in menu, sometimes in bag for early carbos)
+6 equip choice band (macro cosmos)
+5.2 steelix double
+6 equip soft sand (oleana -> rose)
Bads: +1:08.3

Net: -17.4