As Katerina of Myra's Marvels enters, choose a letter. Whenever you cast a spell whose name begins with the chosen letter, create a white 2/2 Cat creature token with flying. Partner (You can have two commanders if they both have partner.)

Karn's Sylex enters tapped. Players can't pay life to cast spells or to activate abilities that aren't mana abilities. {X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery.

Destroy all creatures, then create an X/X colorless Phyrexian Horror artifact creature token, where X is the number of creatures destroyed this way.

Destroy all nonland permanents.

Choose two — • Create a 2/2 colorless Construct artifact creature token. • Put a +1/+1 counter on a creature you control. It gains double strike until end of turn. • Search your library for a basic Plains card, reveal it, put it into your hand, then shuffle. • You gain 2 life and scry 2.

{W}, {T}: Look at the top card of your library, then exile it face down. (You may look at it any time.) {T}: Until end of turn, you may play cards you own exiled with Kayla's Music Box.

Look at the top seven cards of your library. Put up to X artifact and/or creature cards with mana value 3 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Convoke When this creature enters, look at the top six cards of your library. You may reveal up to two creature cards with mana value X or less from among them, where X is the number of creatures that convoked this creature. Put the revealed cards into your hand, then shuffle.

At the beginning of your end step, put an influence counter on Palantír of Orthanc and scry 2. Then target opponent may have you draw a card. If that player doesn't, you mill X cards, where X is the number of influence counters on Palantír of Orthanc, and that player loses life equal to the total mana value of those cards.

When this creature enters, you may search your library for a basic Plains card, reveal it, put it into your hand, then shuffle. {6}: Return this card from your graveyard to your hand.

Flying When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

At the beginning of your end step, if you control two or more other creatures, draw a card. {3}{W}: Create a 1/1 colorless Soldier artifact creature token. Unearth {2}{W}{W}

When this creature enters, you gain 1 life and draw a card.

Whenever an Equipment you control enters, you may draw a card. Metalcraft — Equipment you control have equip {0} as long as you control three or more artifacts.

Living weapon Indestructible Equipped creature gets +5/+5 and has first strike, trample, indestructible, haste, and "Whenever this creature deals combat damage to a creature, exile that creature." Equip {7}

For Mirrodin! (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.) Equipped creature gets +1/+1 for each creature you control. Equip {2}{W}

Konda's Banner can be attached only to a legendary creature. Creatures that share a color with equipped creature get +1/+1. Creatures that share a creature type with equipped creature get +1/+1. Equip {2}

Equipped creature gets +1/+1 and has vigilance. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Flash When this Equipment enters, attach it to target creature you control. Equipped creature gets +0/+2. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature has "{T}: Add one mana of any color." Equip {1}

Whenever equipped creature attacks, choose one — • Sort Inventory — Draw a card, then discard a card. • Pick a Perk — Put a +1/+1 counter on that creature. • Check Map — Untap up to two target lands. Equip {2}

Equipped creature gets +3/+3 and has ward {1}. (Whenever equipped creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.) Equip {3}. This ability costs {1} less to activate for each other Equipment you control. ({3}: Attach to target creature you control. Equip only as a sorcery.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. If another Desert was returned this way, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}{C}.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Return target artifact card from your graveyard to your hand.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Destroy target nonbasic land an opponent controls. That land's controller may search their library for a basic land card, put it onto the battlefield, then shuffle. You may search your library for a basic land card, put it onto the battlefield, then shuffle.

This land enters tapped. {T}: Add {W}. Cycling {1}{W} ({1}{W}, Discard this card: Draw a card.)

This land enters tapped. At the beginning of your upkeep, if you control seven or more Plains, you may return target creature card from your graveyard to the battlefield. {T}: Add {W}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

{T}: Add {C}. {1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

{T}: Add {C}. {T}, Sacrifice a creature: Add one mana of any color. {X}{2}, {T}, Sacrifice a Desert: Exile target creature card with mana value X from your graveyard. Create a token that's a copy of it, except it's a 4/4 black Zombie. Activate only as a sorcery.

Minas Tirith enters tapped unless you control a legendary creature. {T}: Add {W}. {1}{W}, {T}: Draw a card. Activate only if you attacked with two or more creatures this turn.

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

This land enters tapped. When this land enters, exile up to three target cards from graveyards. {T}: Add {C}. {T}: Add one mana of any of the exiled cards' colors.

({T}: Add {W}.)

{T}, Pay 1 life, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Draw a card if you control an artifact. Draw a card if you control an enchantment.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

This land enters tapped. {T}: Add {W}. Cycling {W} ({W}, Discard this card: Draw a card.)

{T}: Add {C}. {1}, {T}, Sacrifice this land: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {X}, {T}: This land becomes a copy of target nontoken artifact you control with mana value X.

{T}: Add {C}. {3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.

Prevent all damage that sources of the color of your choice would deal this turn. Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever a creature you control dies, exile it. At the beginning of each end step, if you control no creatures, sacrifice this enchantment and return all cards exiled with it to the battlefield under your control.

First strike When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

When this creature enters, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

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

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

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {T}: Add {C}.

Flying, protection from black Echo {3}{W}{W} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, return target creature card from your graveyard to the battlefield.

Kicker {W} (You may pay an additional {W} as you cast this spell.) When this creature enters, if it was kicked, destroy target artifact or enchantment.

When this creature enters, you become the monarch. When this creature enters, exile target creature an opponent controls until an opponent becomes the monarch.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) When this artifact enters, exile target nonland permanent an opponent controls until this artifact leaves the battlefield. Max speed — {T}: Put a +1/+1 counter on target creature or Vehicle you control. Activate only as a sorcery.

Enchant artifact, creature, or planeswalker Enchanted permanent can't attack or block, and its activated abilities can't be activated.

When this artifact enters, each opponent sacrifices three creatures of their choice. At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control. It's a Phyrexian in addition to its other types.

When this enchantment enters, exile target creature or planeswalker an opponent controls until this enchantment leaves the battlefield. When this enchantment enters, scry 1.

Whenever Kemba or another Cat you control enters, attach up to one target Equipment you control to that creature. Equipped creatures you control get +1/+1. {3}{W}{W}: Create a 2/2 white Cat creature token.

Other Cats you control get +2/+1.

When this creature enters, you may attach target Equipment you control to target creature you control.

Flash When this creature enters, choose one — • Put a +1/+1 counter on this creature for each creature that left the battlefield under your control this turn. • You gain 2 life and scry 2. • Exile target player's graveyard.

(Gain the next level as a sorcery to add its ability.) Spells your opponents cast during your turn cost {1} more to cast. {2}{W}: Level 2 Creatures you control get +1/+1. {4}{W}: Level 3 Whenever you attack, until end of turn, target attacking creature gets +1/+1 for each other attacking creature and gains double strike.

Other white creatures you control get +1/+1. {W}, {T}: Another target white creature you control gains vigilance until end of turn. (Attacking doesn't cause it to tap.)

Creature tokens you control get +1/+1.

At the beginning of each opponent's end step, if that player controls more creatures than you, create a 1/1 white Soldier creature token. At the beginning of each opponent's end step, if that player controls more lands than you, you may search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, create a 2/2 white Cat creature token for each Equipment attached to Kemba.

When this creature enters, create two 1/1 white Soldier creature tokens. {W}, Sacrifice a Soldier: Prevent all combat damage that would be dealt this turn.

Create X 1/1 white Spirit creature tokens with flying. Will of the Planeswalkers — Starting with you, each player votes for planeswalk or chaos. If planeswalk gets more votes, planeswalk. If chaos gets more votes or the vote is tied, chaos ensues.

At the beginning of your end step, create X 1/1 white Spirit creature tokens with flying, where X is the number of opponents who control more lands than you.

When this creature enters, incubate 3 X times. (To incubate 3, create an Incubator token with three +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.) {T}: Transform target Incubator token you control.