When it hits a player, it exiles the top card of each player's library and allows its controller to cast one of these cards by paying life equal to its mana value instead of the mana cost
To find the right balance you can add back in Hercules, Hero in Training as well as the new Floodborn character, Hercules, Divine Hero
While the cost of a box is unavoidably high, the figures become downright astronomical when discussing the single cards listed below
Not everyone is going to have the same depth of knowledge about other topics, even fairly adjacent ones
There are a lot of legal issues that may arise
Both create 2/2 Zombies when a land enters, so long as they have different names (with Necrobloom only making a 0/1 Plant otherwise)