Defender

When Akroan Horse enters the battlefield, an opponent gains control of it.

At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

{U}, {T}: Add {C}{C}{C}.

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

Spells you cast cost {1} less to cast.

You must speak in a voice other than your normal voice.

When you speak in your normal voice, sacrifice Bronze Calendar.

Flying

At the beginning of your upkeep, sacrifice Carnivorous Death-Parrot unless you say its flavor text.

Charcoal Diamond enters the battlefield tapped.

{T}: Add {B}.

As Clam Session enters the battlefield, choose a word.

At the beginning of your upkeep, you may sing at least six words of a song, at least one of which is the chosen word. If you don't, sacrifice Clam Session. You can't repeat a song.

Whenever Clambassadors deals damage to a player, choose an artifact, creature, or land you control. That player gains control of that permanent.

At the beginning of your upkeep, you may exchange control of Conjured Currency and target permanent you neither own nor control.

When Coveted Jewel enters the battlefield, draw three cards.

{T}: Add three mana of any one color.

Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.

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

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

Flying

{T}: Exchange control of two target nonlegendary creatures. You can't activate this ability during combat.

Target player gains control of up to three target nonattacking creatures until end of turn. Untap those creatures. They block this turn if able.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

{T}: Add {U} or {B}.

Each creature has "When this creature dies, choose target opponent. That player puts this card from its owner's graveyard onto the battlefield under their control at the beginning of the next end step."

When Enslaved Horror enters the battlefield, each other player may return a creature card from their graveyard to the battlefield.

Search target opponent's library for an artifact, creature, enchantment, or land card. Put that card onto the battlefield under your control. Then that player shuffles.

Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.)

{1}, {T}: Scry 2.

{1}, {T}, Pay 1 life: Create a 0/1 white Goat creature token.

{7}, {T}, Sacrifice Everythingamajig: Choose target player. At the beginning of the next end step, exchange life totals with that player, exchange control of all permanents you and that player control, and exchange cards in your hands, cards in your libraries, and cards in your graveyards.

Each player puts a creature card from their graveyard onto the battlefield.

Choose one --

• Each player draws X cards.

• Each player mills X cards.

Players have no maximum hand size.

{X}{X}, {T}: Each player draws X cards.

{2}{U}, {T}: Each opponent mills cards equal to the number of cards in their hand.

When Free-for-All enters the battlefield, exile all creatures face down.

At the beginning of each player's upkeep, that player chooses a card exiled with Free-for-All at random and puts it onto the battlefield.

When Free-for-All leaves the battlefield, put all cards exiled with it into their owners' graveyards.

As Hangman enters the battlefield, secretly note a word with six to eight letters.

{1}: Target player who doesn't control Hangman guesses the noted word or an unguessed letter in that word. If they guess wrong, put a +1/+1 counter on Hangman. Any player may activate this ability.

When a player guesses the noted word or all of its letters, sacrifice Hangman.

Cast this spell only during the declare blockers step on an opponent's turn.

Remove all attacking creatures from combat and untap them. After this phase, there is an additional combat phase. Each of those creatures attacks that combat if able. They can't attack you or planeswalkers you control that combat.

Flying

When Indentured Djinn enters the battlefield, each other player may draw up to three cards.

You may pay {2}{U} rather than pay this spell's mana cost.

If the {2}{U} cost was paid, you draw three cards, then an opponent creates two Treasure tokens and they scry 2. If that cost wasn't paid, you draw X cards.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

You and target player exchange control of the creature you each control with the highest mana value. Then exchange control of artifacts the same way. If two or more permanents a player controls are tied for highest, their controller chooses one of them.

{T}: Add {B}.

Exchange control of target artifact or creature and another target permanent that shares one of those types with it. (This effect lasts indefinitely.)

Flying

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

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

Mirror Mirror enters the battlefield tapped.

{7}, {T}, Sacrifice Mirror Mirror: Choose target player. At the beginning of the next end step, exchange life totals with that player, exchange control of all permanents you and that player control, and exchange cards in your hands, cards in your libraries, and cards in your graveyards.

Whenever a creature an opponent controls dies, sacrifice Mother of Goons unless you insult that creature.

At the beginning of your upkeep, if you control permanents with names that include all twenty-six letters of the English alphabet, you win the game.

Choose left or right. Starting with you and proceeding in the chosen direction, each player chooses a creature controlled by the next player in that direction. Each player gains control of the creature they chose.

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

Whenever an opponent casts a spell, you may exchange control of Perplexing Chimera and that spell. If you do, you may choose new targets for the spell. (If the spell becomes a permanent, you control that permanent.)

Flying, trample

At the beginning of your upkeep, exile the top card of your library and balance it on your body.

When a balanced card falls or touches another balanced card, sacrifice Phyrexian Librarian.

Each player draws X cards.

Each player plays with the top card of their library held against their forehead, revealed to each other player.

At the beginning of your upkeep, you may exchange control of target nonland permanent you control and target nonland permanent an opponent controls with an equal or lesser mana value.

Did you know this creature has flying?

Are you aware that any time you say something that isn't a question, when a player points out this fact first, they gain control of Question Elemental?

Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn.

{T}: Add {U}.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

Flying

When Sky Swallower enters the battlefield, target opponent gains control of all other permanents you control.

When Sleeper Agent enters the battlefield, target opponent gains control of it.

At the beginning of your upkeep, Sleeper Agent deals 2 damage to you.

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

When Spawnbroker enters the battlefield, you may exchange control of target creature you control and target creature with power less than or equal to that creature's power an opponent controls.

{T}: Choose a player. That player adds one mana of any color they choose.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Exchange control of target noncreature spell and target creature. Then the spell's controller may choose new targets for it.

Open a sealed Magic booster pack, reveal the cards, and put all creature cards revealed this way onto the battlefield under your control. They're Zombies in addition to their other types. (Remove those cards from your deck before beginning a new game.)

{T}: Add {C}.

{U/B}, {T}: Add {U}{U}, {U}{B}, or {B}{B}.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{T}: Add {C}.

{T}: Add {U} or {B}. Activate only if you control a Swamp.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- You may exchange control of two target creatures.

II -- You may exchange control of two target nonbasic, noncreature permanents that share a card type.

III -- Target player loses 3 life and you gain 3 life.

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

Cumulative upkeep--Say "Toy Boat" quickly. (At the beginning of your upkeep, put an age counter on Toy Boat, then sacrifice it unless you say "Toy Boat" once for each age counter on it--without pausing between or fumbling it.)

{T}: Add {C}.

{T}: Add {U} or {B}. Underground River deals 1 damage to you.

Untap Victory Chimes during each other player's untap step.

{T}: A player of your choice adds {C}.

Wishclaw Talisman enters the battlefield with three wish counters on it.

{1}, {T}, Remove a wish counter from Wishclaw Talisman: Search your library for a card, put it into your hand, then shuffle. An opponent gains control of Wishclaw Talisman. Activate only during your turn.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

{T}: Add {B}{B}{B}{B}. Target opponent gains control of Witch Engine. (Activate only as an instant.)

As Working Stiff enters the battlefield, straighten your arms.

When you bend an elbow, sacrifice Working Stiff.

Worn Powerstone enters the battlefield tapped.

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

Target opponent gains control of target creature. (If an attacking or blocking creature changes controllers, it's removed from combat.)

{1}: This card's name becomes the card name of your choice. Activate anywhere, anytime.