Negative — As long as K-9 is untapped, other legendary creatures you control have ward {1}. Affirmative — {1}{U}, {T}: Target legendary creature can't be blocked this turn. Doctor's companion (You can have two commanders if the other is the Doctor.)

Flying {T}: Draw a card, then discard a card. {X}: This creature becomes a copy of target creature card in your graveyard with mana value X, except it has flying and this ability. Activate only as a sorcery.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Vigilance, menace Descend 8 — {4}{U}{B}: Return this card from your graveyard to the battlefield with a finality counter on it. Activate only if there are eight or more permanent cards in your graveyard and only as a sorcery. (If a creature with a finality counter on it would die, exile it instead.)

Enchant creature Enchanted creature can't be blocked. Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

+1: Create a 2/3 blue and black Nightmare creature token with "Whenever this token attacks or blocks, each opponent exiles the top two cards of their library." −3: Return target nonland permanent to its owner's hand, then that player exiles a card from their hand. −7: You may cast up to three spells from among face-up cards your opponents own from exile without paying their mana costs.

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.

Horrors you control have menace. Whenever a Horror you control deals combat damage to a player, that player mills that many cards. At the beginning of your end step, choose target artifact or creature card in an opponent's graveyard that was put there from their library this turn. Put it onto the battlefield under your control.

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards. Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Flying Whenever this creature deals combat damage to a player, each player mills a card. (Each player puts the top card of their library into their graveyard.)

Enchant player At the beginning of each end step, enchanted player mills X cards, where X is the number of cards put into their graveyard from anywhere this turn.

When this creature enters, target player mills two cards. When this creature dies, target creature you don't control gets -1/-1 until end of turn.

Kicker {3}{U} Each opponent mills eight cards. If this spell was kicked, instead each opponent mills half their library, rounded up.

At the beginning of your upkeep, scry 1. Whenever you discard a card, each opponent mills two cards. (They put the top two cards of their library into their graveyard.)

When this creature enters, each opponent mills two cards. Then you 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.)

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or more.

Target opponent exiles a creature or planeswalker they control with the greatest mana value among creatures and planeswalkers they control.

Counter target spell.

Counter target spell.

Equipped creature has double strike. Whenever equipped creature attacks, you may have target creature block it this turn if able. Equip {4}

Flash This spell can't be countered. Whenever you cast a spell, choose up to one — • Return target spell you don't control to its owner's hand. • Return target nonland permanent to its owner's hand.

Counter target noncreature spell.

Flash Flying Exploit (When this creature enters, you may sacrifice a creature.) When this creature exploits a creature, counter target spell, activated ability, or triggered ability.

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

Flying Shauku can't attack if there's another creature on the battlefield. At the beginning of your upkeep, you lose 3 life. {T}: Exile target creature and put a +1/+1 counter on Shauku.

Choose one or both — • Counter target creature spell. • Return target creature card from your graveyard to your hand.

Flying Spells your opponents cast that target one or more commanders you control cost {3} more to cast. Partner (You can have two commanders if both have partner.)

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

Arvinox isn't a creature unless you control three or more permanents you don't own. At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells.

Menace Whenever this creature attacks a player, exile all cards from that player's hand, then they draw that many cards. You may play lands and cast spells from among the exiled cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it.

Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.

Whenever a Swamp you control enters, choose one — • You draw a card and you lose 1 life. • This creature deals 2 damage to any target and you gain 2 life.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Skulk (This creature can't be blocked by creatures with greater power.) At the beginning of your upkeep, you may discard all the cards in your hand. If you do, draw that many cards.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever another nontoken creature dies, you may draw a card.

As this enchantment enters, choose a creature type. Whenever a creature you control of the chosen type enters or attacks, draw a card.

{T}: Draw a card, then discard a card. {2}{U}{B}, {T}, Sacrifice this creature: Return target creature card from your graveyard to the battlefield.

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.)

Target player draws two cards and loses 2 life.

Enchant creature Enchanted creature gets +1/+0 and has flying and "Whenever this creature attacks, draw a card."

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

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

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

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {B}.

({T}: Add {U}.)

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {B}.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

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

At the beginning of your upkeep, put a time counter on this enchantment. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on this enchantment.

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

When this enchantment enters, each opponent discards a card and loses 2 life. When this enchantment is put into a graveyard from the battlefield, scry 2. {2}{B}: Sacrifice this enchantment.