And you can sacrifice a token blocker or the token copies from Fable of the Mirror-Breaker at instant speed with this, so a number of decks likely want one copy
There's also the tiny problem of this costing seven mana, all of it colored, but the combination of both winning the long game and keeping you alive to see it makes seven feel cheap, and there's enough behind this card that there is no need to worry about following it up with another copy unless your opponent can fire one back at you
And whatever you do, dont go cracking packs hoping to hit a lottery-ticket-level rare Legends card
While Thoughtseize-mode Devour Intellect with Tergrid, God of Fright out is insane, even without a Treasure, making our opponent discard a card for a single mana is still solid when we get to steal it if it's a permanent
Merciless Rage features 23 spells with the madness mechanic, so you can use Anjes ability several times in a turn
A cheap removal spell and a mass removal spell in one card, both of which are not what you would call over priced is an exciting control and midrange proposition