Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

Each player discards all the cards in their hand, then draws that many cards minus one.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

Whenever this creature or another creature dies, target player loses 1 life and you gain 1 life.

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.

Flying If an opponent would lose life during your turn, they lose twice that much life instead. (Damage causes loss of life.)

Whenever an opponent draws a card, this creature deals 1 damage to that player.

Whenever you gain life, each opponent loses 1 life.

Whenever you gain life, target opponent loses that much life.

Offspring {2}{B} (You may pay an additional {2}{B} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Flying This creature can't block. Whenever you gain life, each opponent loses 1 life.

If you would gain life, you gain twice that much life instead. If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent of their choice that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

Target player draws X cards and loses X life.

Indestructible As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) Your opponents can't gain life. {1}{B}, Pay 2 life: Draw a card.

At the beginning of each player's draw step, that player draws two additional cards.

{B}, Pay 2 life: Draw a card.

Whenever this creature attacks or blocks, each player draws a card.

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

Flying At the beginning of your upkeep, each opponent draws a card.

At the beginning of your upkeep, you draw a card and you lose 1 life.

At the beginning of your upkeep, each player draws a card. Whenever an opponent draws a card, that player loses 1 life.

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

Indestructible When The One Ring enters, if you cast it, you gain protection from everything until your next turn. At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring. {T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring.

{2}, {T}: Add {B} for each Swamp you control.

{T}: Add {C}. {3}, {T}: Add {B} for each basic Swamp you control.

This land enters tapped unless you control a Swamp. {T}: Add {B}. {1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.

{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

You have no maximum hand size. {T}: Add {C}.

({T}: Add {B}.)

Flying Whenever you gain life, put a +1/+1 counter on this creature.

At the beginning of your upkeep, this creature deals 1 damage to each opponent. You gain life equal to the damage dealt this way.

Prevent all combat damage that would be dealt this turn.

Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

Enchant creature or planeswalker you control When enchanted permanent dies or is put into exile, return that card to the battlefield under your control.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Whenever a creature deals damage to you, destroy it.

Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control, then create a Wicked Role token attached to it." (Enchanted creature gets +1/+1. When this token is put into a graveyard, each opponent loses 1 life.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add one mana of any color in your commander's color identity.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Whenever you tap a Swamp for mana, add an additional {B}.

Add {B}{B}{B}.

Black spells you cast cost {1} less to cast.

+1: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle. −3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control. −6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'"

{T}: Add {C}{C}.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.

Target creature gets -1/-1 until end of turn for each Swamp you control.

({B/P} can be paid with either {B} or 2 life.) Target creature gets -5/-5 until end of turn.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Destroy target nonartifact creature.

Destroy target creature. You lose 2 life.

Flash When this creature enters and whenever an opponent draws a card except the first one they draw in each of their draw steps, this creature deals 1 damage to any target. Then amass Orcs 1.

Trample Whenever a source deals damage to this creature, that source's controller sacrifices that many permanents of their choice.

Choose one — • Each opponent sacrifices a nontoken creature of their choice. • Each opponent sacrifices a creature token of their choice. • Each opponent sacrifices a planeswalker of their choice.

Search your library for a card, put that card into your hand, then shuffle.