You can view the top 8 deck lists below and the finals live stream here
The popular Articuno ex ( Genetic Apex ) meta deck runs two copies of the title card and no other Pokmon, with the remaining 18 cards being Trainer cards to either buff the Active Articuno ex, draw the other one, or ramp energy with Misty
The reason was because, this was a way to deal with Icy Manipulators, Winter Orbs, Meekstones, Millstones, any Artifact that was giving you trouble, plus because it could also destroy Land, it was very helpful in destroying all of the new special Lands that came out with Ice Age, Homelands and here in Alliances
This allows you to use the attack Mega Hit with just two energies
When Ivora enters and whenever it deals combat damage to a player, create a Blood token