You can't play lands.

Sacrifice a land: Draw two cards. Activate only once each turn.

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.

If this spell was cast from your hand and you've cast another spell named Approach of the Second Sun this game, you win the game. Otherwise, put Approach of the Second Sun into its owner's library seventh from the top and you gain 7 life.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.

You draw a card at the beginning of the next turn's upkeep.

Each player can't cast more than one spell each turn.

Azorius Chancery enters the battlefield tapped.

When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.

{T}: Add {W}{U}.

When Banishing Light enters the battlefield, exile target nonland permanent an opponent controls until Banishing Light leaves the battlefield.

{T}: Add {C}.

{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

Boros Garrison enters the battlefield tapped.

When Boros Garrison enters the battlefield, return a land you control to its owner's hand.

{T}: Add {R}{W}.

When Borrowed Time enters the battlefield, exile target nonland permanent an opponent controls until Borrowed Time leaves the battlefield.

Draw three cards, then put two cards from your hand on top of your library in any order.

Return all artifact and enchantment cards from your graveyard to the battlefield.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

Destroy all enchantments.

Threshold -- If seven or more cards are in your graveyard, instead destroy all enchantments, then return all cards in your graveyard destroyed this way to the battlefield.

Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains.

{T}: Add {R} or {W}.

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

Counter target spell.

Destroy all creatures.

If damage would be dealt to you, put that many delay counters on Delaying Shield instead.

At the beginning of your upkeep, remove all delay counters from Delaying Shield. For each delay counter removed this way, you lose 1 life unless you pay {1}{W}.

When Delusions of Mediocrity enters the battlefield, you gain 10 life.

When Delusions of Mediocrity leaves the battlefield, you lose 10 life.

Each player chooses a creature they control. Destroy the rest.

Flashback {5}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target player gains control of target permanent you control.

Destroy all creatures.

Foretell {1}{W}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

This spell can't be countered.

Counter target noncreature spell.

Nonland permanents don't untap during their controllers' untap steps.

At the beginning of your upkeep, you lose 2 life.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."

{T}, Sacrifice Evolving Wilds: 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.

At the beginning of your upkeep, Form of the Dragon deals 5 damage to any target.

At the beginning of each end step, your life total becomes 5.

Creatures without flying can't attack you.

Destroy all creatures. You gain 1 life for each creature destroyed this way.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

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

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

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

Spells your opponents cast cost {1} more to cast.

Target opponent gains control of target permanent you control.

{T}: Draw two cards. Target opponent gains control of Humble Defector. Activate only during your turn.

Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Illusions of Grandeur enters the battlefield, you gain 20 life.

When Illusions of Grandeur leaves the battlefield, you lose 20 life.

({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}.)

Izzet Boilerworks enters the battlefield tapped.

When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand.

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

If you would draw a card while your library has no cards in it, you win the game instead.

+1: Target player mills two cards. Draw a card.

-8: Draw seven cards. Then if your library has no cards in it, you win the game.

If you would draw a card while your library has no cards in it, you win the game instead.

If Leyline of Anticipation is in your opening hand, you may begin the game with it on the battlefield.

You may cast spells as though they had flash.

Black creatures can't attack or block.

{T}, Pay 1 life: Add one mana of any color.

You may have Mirrormade enter the battlefield as a copy of any artifact or enchantment on the battlefield.

You can't cast more than one spell each turn.

Whenever you cast a spell, draw a card.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Mystic Monastery enters the battlefield tapped.

{T}: Add {U}, {R}, or {W}.

Counter target noncreature spell.

Hexproof

If a source would deal damage to you, prevent that damage and put an incarnation counter on Nine Lives.

When there are nine or more incarnation counters on Nine Lives, exile it.

When Nine Lives leaves the battlefield, you lose the game.

As Null Chamber enters the battlefield, you and an opponent each choose a card name other than a basic land card name.

Spells with the chosen names can't be cast and lands with the chosen names can't be played.

When Oblivion Ring enters the battlefield, exile another target nonland permanent.

When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Enchant player

At the beginning of enchanted player's first upkeep each turn, that player gets an additional upkeep step after this step.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Look at the top three cards of your library, then put them back in any order. You may shuffle.

Draw a card.

({T}: Add {W} or {U}.)

Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

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.

If an instant or sorcery source you control would deal damage to a permanent or player, it deals that much damage plus 2 to that permanent or player instead.

At the beginning of each end step, discard your hand.

Suspend 2--{1}{W} (Rather than cast this card from your hand, pay {1}{W} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Return all enchantment cards from your graveyard to the battlefield. (Auras with nothing to enchant remain in your graveyard.)

Exchange control of two target permanents that share a permanent type.

Each player can't cast more than one spell each turn.

Flying

At the beginning of your upkeep, sacrifice an artifact other than Rust Elemental. If you can't, tap Rust Elemental and you lose 4 life.

{T}: Add {C}.

{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

Your opponents can't cast spells this turn.

At the beginning of your upkeep, sacrifice Solitary Confinement unless you discard a card.

Skip your draw step.

You have shroud. (You can't be the target of spells or abilities.)

Prevent all damage that would be dealt to you.

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain.

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

This spell can't be countered.

Destroy all creatures.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

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

You don't lose the game for having 0 or less life.

When you have 20 or more life, you lose the game.

Whenever you lose life, you gain 2 life for each 1 life you lost. (Damage dealt to you causes you to lose life.)

Counter target noncreature spell. Untap up to three lands.

When Vedalken Plotter enters the battlefield, exchange control of target land you control and target land an opponent controls.

{1}{W}: Search your library for an enchantment card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.

{1}{U}: Search your library for an instant card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.

Flying

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Enchant creature

Enchanted creature loses all abilities and is a green and white Citizen creature with base power and toughness 1/1 named Legitimate Businessperson. (It loses all other colors, card types, creature types, and names.)

Destroy all creatures. They can't be regenerated.

At the beginning of your upkeep, you gain X life and draw X cards, where X is the number of permanents you own that your opponents control.

{U}{R}{W}: Target opponent gains control of target permanent you control.