As simple as that, what more do we need to say
If you don't get to choose what your opponent discards, the second best thing you can hope for is that they also don't get to choose
Is Escape an Activated Ability
They allow players to search their deck for specific cards and add them to their hands
While either of these characters are typically enough to mint a top chase card when they appear as Enchanteds, having them both in the same card like this is pretty special: a fact thats already caught the attention of collectors based on that high market price
The first will force the targeted foe to draw three and discard three at random (good for discard punishing decks like Megrim), sacrifices a non-token artifact (not a Treasure, Clue, Blood, or Food), and the Balor shoots them for the damage to the cards in their hand (nice)