Dragonite's Stats: Type: Dragon Stage: Stage 2 Generation: Gen 1 HP: 160 Retreat Cost: 3 Colorless Energy Attacks: Draco Meteor costs 1 Water Energy, 1 Lightning Energy, and 2 Colorless Energy Special Effect: 1 of your opponents Pokmon is chosen at random 4 times
When she is in play, enter the battlefield triggers from your opponent's permanents simply dont happen, while enter the battle triggers of your permanents happen twice
they work well with Omnath, but also all the evoke elementals like Endurance, Fury, and Mulldrifter
Additionally, as I mentioned earlier, you want to avoid mulliganning if you're looking to ascend
Legality depends on the tournament format -- Walking Ballista can be legal in some formats and banned or restricted in others