groudon lives z-spout from modest ogre in sun and kos no bulk ogre in return with z-pblades. it also lives +2 moonblast from modest xerneas. z-pblades does 97% max to no bulk xerneas. z-hydro pump from palkia in the sun does 88% max and z-hydro pump from ludicolo in sun does 63% max.

yveltal lives thunderbolt from timid koko in terrain, water spout from modest ogre in rain, and moonblast from modest lele.

heliolisk lives psyshock from modest lele out of terrain, -1 knock off from no glasses yveltal (had to reach for that one), and has a 12.5% chance to live -1 12atk kartana sacred sword (the angel av kart spread)

fini lives jolly kartana leaf blade, is 3hko'd by adamant groudon's pblades and adamant solgaleo's sunsteel strike, and adamant 252atk tsareena's power whip has a 43.8% chance to okko.

ferrothorn's spread is standard bulk, but z-spout ogre in rain does 76.2% max to and +2 modest xerneas' moonblast has a 24.6% chance to 2hko.