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 this enchantment enters, you gain 20 life. When this enchantment leaves the battlefield, you lose 20 life.

Hexproof If a source would deal damage to you, prevent that damage and put an incarnation counter on this enchantment. When there are nine or more incarnation counters on this enchantment, exile it. When this enchantment leaves the battlefield, you lose the game.

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

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

Prevent all combat damage that would be dealt to and dealt by creatures you control.

Defender (This creature can't attack.) Flying Prevent all combat damage that would be dealt to and dealt by this creature.

Whenever an artifact, creature, or enchantment enters, its controller chooses target permanent another player controls that shares a card type with it. Exchange control of those permanents.

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

You have no maximum hand size. {T}: Add one mana of any color.

This artifact enters under the control of an opponent of your choice. {2}, {T}: Draw a card, then you may put a land card from your hand onto the battlefield. This artifact's owner draws a card, then that player may put a land card from their hand onto the battlefield.

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

{T}: Add one mana of any color. {1}, {T}: Put a bounty counter on target creature. Activate only as a sorcery. Whenever a creature with a bounty counter on it dies, each of its controller's opponents draws a card and gains 2 life.

{1}, {T}: Roll a d4 and create a number of Treasure tokens equal to the result. The player to your right gains control of this artifact.

This artifact can't be sacrificed. {1}, {T}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. The player to your right gains control of this artifact. {2}, {T}: Draw a card. The player to your right gains control of this artifact.

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

Counter target spell.

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.

{1}{W}{U}, {T}: Return target artifact or enchantment card from your graveyard to your hand.

{T}: Target player gains control of target artifact, creature, or land you control.

Body of Knowledge's power and toughness are each equal to the number of cards in your hand. You have no maximum hand size. Whenever this creature is dealt damage, draw that many cards.

When a player other than this creature's owner controls it, that player sacrifices it. If the player does, this creature deals 7 damage to the player.

At the beginning of your upkeep, this creature deals 2 damage to each other creature you control.

Flying Whenever this creature attacks, gain control of target permanent you own but don't control. Disguise {1}{U} When this creature is turned face up, target opponent gains control of any number of target permanents you control. Draw a card for each one they gained control of this way.

Inspired — Whenever this creature becomes untapped, you may exchange control of target nonland permanent you control and target permanent an opponent controls that shares a card type with it.

Flying, haste If a source would deal damage to you, it deals double that damage to you instead. If a source would deal damage to this creature, it deals double that damage to this creature instead.

You can't cast creature spells.

Berzerker — Khârn the Betrayer attacks or blocks each combat if able. Sigil of Corruption — When you lose control of Khârn the Betrayer, draw two cards. The Betrayer — If damage would be dealt to Khârn the Betrayer, prevent that damage and an opponent of your choice gains control of it.

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

Whenever an opponent casts a spell, you may exchange control of this creature 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 At the beginning of your upkeep, sacrifice another artifact. If you can't, tap this creature and you lose 4 life.

You can't cast creature spells.

You have no maximum hand size. At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game. {3}{U}: Draw a card.

{T}: Add {C}. {T}: Add {W} or {U}. This land deals 1 damage to you.

{T}: Add {C}. {1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

{T}: Add {C}. {T}: Add {R} or {W}. This land deals 1 damage to you.

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

This land enters tapped unless you control two or more other lands. {T}: Add {W} or {U}.

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

({T}: Add {U}.)

{T}: Add {C}. {2}, {T}: Each player draws a card.

({T}: Add {R}.)

This land enters tapped. {T}: Add {U}, {R}, or {W}.

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

{T}: Add {U}. Channel — {3}{U}, Discard this card: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.

({T}: Add {W}.)

({T}: Add {U}, {R}, or {W}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

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

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {U}.

{T}: Add {C}. {T}: Add {U} or {R}. This land deals 1 damage to you.

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {W}.

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {R}.

This land enters tapped unless you control two or more other lands. {T}: Add {R} or {W}.

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

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

Lifelink Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card. Whenever an opponent casts their second spell each turn, draw a card.

You can't cast more than one spell each turn. Whenever you cast a spell, draw a card.

This spell can't be countered. Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. Whenever a player casts an instant or sorcery spell, you draw a card.

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: This artifact deals 50 damage to any target.

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.

Choose any number of creatures target player controls. Choose the same number of creatures another target player controls. Those players exchange control of those creatures. (This effect lasts indefinitely.)

Target player gains control of target permanent you control.

Exile target nonland permanent. Each player other than its controller creates a token that's a copy of it.

Target opponent gains control of target permanent you control.

Exchange control of two target creatures controlled by different players. If you control neither creature, draw three cards.

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

Spree (Choose one or more additional costs.) + {2} — Exchange control of two target creatures. + {1} — Exchange control of two target artifacts. + {1} — Exchange control of two target enchantments.

Exchange control of two target permanents that share a card type. (Artifact, creature, enchantment, land, and planeswalker are card types.)