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

{2}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

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

Whenever a permanent becomes untapped, that permanent's controller mills a card.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)

{T}: Mill two cards. {2}, Exile this artifact: Shuffle any number of target cards from your graveyard into your library.

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

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.)

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

Flying If damage would be dealt to you, prevent that damage and mill twice that many cards.

Whenever Ayara or another black creature you control enters, each opponent loses 1 life and you gain 1 life. {T}, Sacrifice another black creature: Draw a card.

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.

Trample When you cast this spell and whenever this creature attacks, destroy up to one target nonland permanent. Its controller creates a tapped Powerstone token. Unearth {8}

This creature enters tapped. {2}{B}: Return this card from your graveyard to your hand.

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}.

When this creature enters, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

{1}{B}, Sacrifice an artifact or creature: Draw a card.

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.) Whenever a creature dies or a creature card is put into a graveyard from a library, each opponent loses 1 life.

Flying Whenever another creature leaves the battlefield, you may have target player mill two cards. Unearth {2}{B} ({2}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When this creature dies, put target creature card from your graveyard on top of your library. Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)

When Gollum leaves the battlefield, the Ring tempts you. {B}, Sacrifice a creature: Return this card from your graveyard to your hand. Activate only as a sorcery.

This creature enters tapped. {1}{B}: Return this card from your graveyard to your hand. Activate only during your turn and only if an opponent lost life this turn.

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

When this creature enters, destroy target nonland permanent an opponent controls.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

Flying At the beginning of combat on your turn, each player mills three cards.

Flash Synaptic Disintegrator — When this creature enters, destroy up to one target creature and target player mills three cards.

{2}{B}: Return this card from your graveyard to the battlefield tapped.

When this creature enters, destroy target creature an opponent controls.

{1}{B}: Return this card from your graveyard to the battlefield tapped.

{1}{B}, {T}, Sacrifice another creature: Draw X cards, where X is that creature's power. Choose a Background (You can have a Background as a second commander.)

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.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) When this creature enters, destroy target nonartifact, nonblack creature. Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

{T}, Sacrifice another creature or an artifact: For each opponent, you mill a card, then return that card from your graveyard to your hand unless that player pays 3 life. (To mill a card, put the top card of your library into your graveyard.) Choose a Background (You can have a Background as a second commander.)

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

When this creature enters or dies, mill three cards. (Put the top three cards of your library into your graveyard.)

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.) When this creature dies, you may exile it. When you do, return target creature card from your graveyard to your hand.

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

Until end of turn, target creature gets +2/+0 and gains "When this creature dies or is put into exile from the battlefield, return it to its owner's hand."

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

Add {B}{B}{B}.

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

Put any number of target creature cards from your graveyard on top of your library. Draw a card.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

{T}: Add {C}. {3}: Return this card from your graveyard to the battlefield tapped.

Each player mills ten cards. For each player, choose a creature or planeswalker card in that player's graveyard. Put those cards onto the battlefield under your control. Then each creature you control becomes a Phyrexian in addition to its other types.

Each player mills X cards. For each creature card put into a graveyard this way, you create a tapped 2/2 black Zombie creature token. (To mill a card, a player puts the top card of their library into their graveyard.)

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

Put any number of target creature cards from your graveyard on top of your library. Draw a card.

Exchange your graveyard and library. Then shuffle your library.

All creatures get -1/-1 until end of turn for each Swamp you control.

You draw two cards and you lose 2 life.

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Join forces — Starting with you, each player may pay any amount of mana. Each player mills X cards, where X is the total amount of mana paid this way.