However, it is more likely to be in the 20,000 to 22,000 range
Urshifu's upper limit is 180, and while Gardevoir has no damage cap, it cannot consistently hit numbers much higher than 150 without burning too many resources, and Wailord and Metagross are even able to survive those more costly hits as well (Metagross with the help of Metal Goggles)
The prohibitively high mana value is the only thing holding back Overwhelming Forces, but even then it can be well worth building up to
You can manage your opponent with things like Bushwhack, Excavation Explosion, Fog of War, and Fade from History, which gives you enough time to stock up on those Powerstone tokens
Casting your second spell each turn lets you goad a creature an opponent controls, forcing them to attack someone other than you
Each box of this product comes with a bonus pack