As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) Creatures you control have "Whenever one or more counters are put on this creature for the first time each turn, draw a card."

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever another nontoken creature you control dies, draw a card.

Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.

Flying, trample Whenever one or more opponents each lose exactly 1 life, put a +1/+1 counter on Ob Nixilis. Exile the top card of your library. Until your next end step, you may play that card.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Whenever this creature or another permanent enters from a graveyard, draw a card. Whenever a player casts a spell from a graveyard, draw a card. Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Menace Whenever Satoru and/or one or more other nontoken creatures you control enter, if none of them were cast or no mana was spent to cast them, draw a card.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

Flying Ward—Pay 2 life. Whenever an opponent loses life for the first time during each of their turns, put a +1/+1 counter on Valgavoth and draw a card.

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

Sacrifice a creature: Add {C}{C}.

Add {B}{B}{B}.

{1}, {T}: Add {B}{R}.

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

{T}: Add {C}. {T}: Add {U} or {R}. This artifact deals 1 damage to you.

{T}: Add {C}. {T}: Add {U} or {B}. This artifact deals 1 damage to you.

{T}: Add {C}. {T}: Add {B} or {R}. This artifact deals 1 damage to you.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

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

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."

Choose one or more — • Destroy all creatures. • Destroy all planeswalkers. • Destroy all battles. • Exile all graveyards. • Each opponent loses all counters.

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.)

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Sacrifice a creature: Put a +1/+1 counter on this creature.

This creature can't block. Sacrifice a creature: Put a +1/+1 counter on this creature.

Sacrifice a creature: This enchantment deals 1 damage to any target.

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Pay 1 life, Sacrifice another creature: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Whenever a creature dies, put a +1/+1 counter on equipped creature. If equipped creature is a Vampire, put two +1/+1 counters on it instead. Equip {1}

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

At the beginning of each upkeep, if an opponent lost life last turn, put a +1/+1 counter on target creature you control.

This creature enters with a +1/+1 counter on it. When this creature dies, if it had counters on it, put those counters on target creature you control.

Decimate — When Legate Lanius enters, each opponent sacrifices a tenth of the creatures they control of their choice, rounded up. Whenever an opponent sacrifices a creature, put a +1/+1 counter on Legate Lanius.

Deathtouch When this creature enters, the Ring tempts you. Whenever the Ring tempts you, put a +1/+1 counter on each Wraith you control. A deck can have up to nine cards named Nazgûl.

Flying When this creature enters, destroy target creature an opponent controls. Whenever a creature an opponent controls dies, exile it and put a +1/+1 counter on each Vampire you control.

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) {1}, Sacrifice this creature: Draw a card.

You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Whenever one or more artifact and/or creature cards leave your graveyard during your turn, put a +1/+1 counter on target creature you control.

Nontoken creatures you control have riot. (They enter with your choice of a +1/+1 counter or haste.) If a creature you control with a +1/+1 counter on it would deal damage to a permanent or player, it deals double that damage instead.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

This land enters tapped. As this land enters, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

({T}: Add {B} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}: Add {C}. {U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.

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

This land enters tapped. {T}: Add {U}, {B}, or {R}.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{B}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

{1}, {T}: Add {U}{R}.

{T}: Add {C}. {T}: Choose target commander that entered this turn. Put a +1/+1 counter on it if it's a creature and a loyalty counter on it if it's a planeswalker.

{T}, Pay 1 life: Add one mana of any type that a land you control could produce. {3}, {T}: You may put a land card from your hand onto the battlefield tapped. {1}, {T}, Sacrifice this land: Draw a card.

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

({T}: Add {R}.)

{T}: Add {C}. {1}, {T}: Move a counter from target permanent you control onto another target permanent. Activate only as a sorcery.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {B}{R}.

{T}: Add {C}. {T}, Sacrifice this land: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle. Cycling {U}{B}{R} ({U}{B}{R}, Discard this card: Draw a card.)

{1}, {T}: Add {B}{R}.

{T}: Add {C}. {T}: Add {U} or {R}. This land deals 1 damage to you.

This land enters tapped unless you control two or fewer other lands. {T}: Add {U} or {R}.

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {R}.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add one mana of any color. This land deals 3 damage to you.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {R}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {B} or {R}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.

Whenever you put one or more counters on a permanent or player, this enchantment deals that much damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

When this enchantment enters, create a 1/1 white Human Soldier creature token. Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

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

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) Whenever this creature or another creature enters from your graveyard, that creature deals damage equal to its power to any target.

Whenever an opponent casts a noncreature spell, this creature deals damage equal to its power to that player. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.) Whenever another creature or artifact you control is put into a graveyard from the battlefield, each opponent loses 1 life.

Whenever a player sacrifices a permanent, this creature deals 1 damage to any target.