Quest for the Nihil Stone

At the beginning of each end step, if an opponent lost 2 or more life this turn, you may put a quest counter on this enchantment. (Damage causes loss of life.)

Whenever a card is put into an opponent's graveyard from anywhere, if this enchantment has three or more quest counters on it, you may have that player lose 2 life. If you do, you gain 2 life.

(Gain the next level as a sorcery to add its ability.)

When this Class enters, each opponent discards two cards unless they discard a nonland card.

: Level 2

At the beginning of each opponent's upkeep, if that player has one or fewer cards in hand, they lose 2 life.

: Level 3

At the beginning of your draw step, draw an additional card for each opponent who has one or fewer cards in hand.

At the beginning of each opponent's upkeep, if that player has one or fewer cards in hand, they lose 3 life.

Whenever one or more creatures die, put a wreck counter on this enchantment.

At the beginning of your upkeep, if this enchantment has one or more wreck counters on it, remove a wreck counter from it and seek a nonland card.

At the beginning of each player's upkeep, if that player has no cards in hand, you draw a card and you lose 1 life.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, put a +1/+1 counter on this creature. It gains deathtouch and indestructible until end of turn."