You can mutate it with a great reprint like Cold-Eyed Selkie for some strong commander damage, which is the decks primary threat angle
Arcanine unleashes a flamethrower as it burns the surrounding earth with scorching heat
If this isnt convincing enough, Gardevoir ex saw a commanding domination of Japans ADV1 to PCG9 sets, which equated to our ex: Ruby & Sapphire through ex: Power Keepers (RS-PK) format due to similar reasons: being able to use Imprison to lock down your opponents board, creating inescapable board states while slowly grinding out damage and taking prize cards
When each angel knight deals combat damage to a player, you'll get some combination of Treasure, lifegain, and card draw depending on your resources compared to your opponents
But theres an argument to be made that the mechanic can help you, too
It might miss as removal, and teamwork is also a bit hard to achieve