With all the clarifications out of the way, let's begin
Being able to quickly finish off a pesky rival character or make their owner think twice about using them to challenge or quest opens up plenty of opportunities for you to pull ahead in the race to 20 lore
And then, when he's battered and worn down, he draws you a card on the way out, replacing himself
It may not be the best deck, but the proposition of dropping the top 5 cards, or chaining this with Clone creatures, will be too much for some people to resist
You never want your opponents to have hands, and force them to play in "top deck mode," meaning the only cards they'll get to play are the cards they draw for turn
A judge at a tournament cannot penalize you for using an Enchanted version of a legal card