the jirachi on this set is sr hp ice thunder iron head with expert belt since this was around the time ppl were just starting to use shuca rachi w sr + 3 atks and stuff like that, the set was too broken on PO at the time bc no one was hip to it yet. dragonite was DD ...
Rock-type Pokemon will resistFire, Flying, Normal, and Poison. It's weak to Fighting, Grass, Ground, and Water.
when battling in the Great and Ultra leagues, Umbreon takes the crown, making it a more flexible option, with Glaceon not too far behind as a reliable option, so long as you can deal with the weak Ice-type defenses.