Either way, its a powerful way to play Black-heavy cards while giving you freedom with your mana base
In order to prevent the opponent from becoming the monarch, Palace Jailer will exile one of their creatures, making it harder for them to take that title from you
This is likely going to be a must-answer threat out of aggressive RB or midrange Bx decks in Standard until it rotates
Even though the activated ability costs more, you can play this and draw the first card before Greed comes down and does nothing, and it's easy to sneak 2 mana here and there as you hold up interaction on stuff
So, if Amazon drops the price again before release, you should pay the lowest price offered between checkout and launch
Its all good when you draw one of your eight rainbow lands