Afflict doesnt actually deal damage, but Neheb counts any type of life loss, and sometimes this red zombie warrior just connects in combat anyway
Finally, it has the Welcome Return ability, which states that whenever this character quests, you may return a chosen character of yours with a cost of one to your hand (from your discard pile), and if you do, you may play a character with a cost of one ink for free
Chaos: Whenever you roll Chaos, exile target creature, then return it to the battlefield under its owner's control
So, players get the feeling that the game was useless, as in it doesn't matter anything that any of them did, if Biorhythm was resolved, the game is over
As with Energy Tap, the best way to get as much bang for your buck with an effect like this is to play creatures that have extremely high mana costs that become manageable to cast via cost reduction