When this Case enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle. To solve — There are five colors among permanents you control. (If unsolved, solve at the beginning of your end step.) Solved — At the beginning of combat on your turn, target creature you control gains flying, double strike, and vigilance until end of turn.

Enchant creature As long as enchanted creature is blue, it gets +1/+1 and has shroud. (It can't be the target of spells or abilities.) As long as enchanted creature is red, it gets +1/+1 and has haste.

Enchant creature As long as enchanted creature is green, it gets +1/+1 and has vigilance. As long as enchanted creature is blue, it gets +1/+1 and has flying.

Enchant creature As long as enchanted creature is black, it gets +1/+1 and has wither. (It deals damage to creatures in the form of -1/-1 counters.) As long as enchanted creature is red, it gets +1/+1 and has first strike.

Enchant creature As long as enchanted creature is blue, it gets +1/+1 and has "Whenever this creature deals damage to an opponent, draw a card." As long as enchanted creature is black, it gets +1/+1 and has "Whenever this creature deals damage to an opponent, that player discards a card."

Enchant creature As long as enchanted creature is red, it gets +1/+1 and has double strike. (It deals both first-strike and regular combat damage.) As long as enchanted creature is green, it gets +1/+1 and has trample.

Enchant creature As long as enchanted creature is red, it gets +1/+1 and has "{R/W}: This creature gets +1/+0 until end of turn." As long as enchanted creature is white, it gets +1/+1 and has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

Enchant creature As long as enchanted creature is green, it gets +1/+1 and has indestructible. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.) As long as enchanted creature is white, it gets +1/+1 and has flying.

Enchant creature As long as enchanted creature is white, it gets +1/+1 and has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.) As long as enchanted creature is blue, it gets +1/+1 and can't be blocked.

Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way.

Choose one — • Exile all artifacts. • Exile all creatures. • Exile all enchantments. • Exile all planeswalkers.

Create a token that's a copy of target creature. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Exile target nonland permanent. You lose 3 life.

Destroy target creature. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Exile target permanent with mana value 4 or greater.

Destroy target artifact, enchantment, or planeswalker.

Counter target spell. You may cast a spell with equal or lesser mana value from your hand without paying its mana cost.

Destroy target creature. It can't be regenerated.

Exile target creature.

Exile target nonland permanent.

Trample Whenever this creature deals 6 or more damage to an opponent, destroy target land that player controls.

Flying This creature gets +2/+2 for each Aura attached to it. {X}{W/B}{W/B}: Return this card from your graveyard to the battlefield. You may put an Aura card with mana value X or less from your hand onto the battlefield attached to it. If you don't, exile this creature.

This creature can't be blocked. Whenever this creature deals combat damage to a player, that player reveals their hand. You choose a card from it. That player exiles that card.

{T}: Add {C}. {2}, {T}: Add X mana of any one color, where X is the number of other Gates you control.

{T}: Add {C}. {2}, {T}: Target creature gets +X/+X until end of turn, where X is the number of Gates you control. Activate only as a sorcery.

This land enters tapped. As this land enters, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

({T}: Add {G} or {W}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {B} or {R}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {R} or {G}.) This land enters tapped unless you control two or more basic lands.

This land enters tapped. As this land enters, choose a color other than white. {T}: Add {W} or one mana of the chosen color.

This land enters tapped. As this land enters, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

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

({T}: Add {U} or {B}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {G}.)

This land enters tapped. When this land enters, sacrifice it unless you pay {1}. {T}: Add one mana of any color.

Gates you control enter untapped. {T}: Add {C}. {T}: Add one mana of any color that a Gate you control could produce.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {1}, {T}, Tap an untapped Gate you control: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

({T}: Add {W} or {U}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U}.)

This land enters tapped. As this land enters, choose a color other than green. {T}: Add {G} or one mana of the chosen color.

This land enters tapped. {T}: Add {C}. {3}, {T}, Return this land to its owner's hand: Search your library for a Gate card, put it onto the battlefield, then shuffle. If you control ten or more Gates with different names, you win the game.

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {W}.)

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

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

({T}: Add {G} or {W}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

This land enters tapped. As this land enters, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.

({T}: Add {R} or {G}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {B} or {R}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Whenever this creature deals combat damage to a player, you may draw that many cards.

Flying, hexproof from multicolored Whenever Niv-Mizzet deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors.

Indestructible Whenever Sapling of Colfenor attacks, reveal the top card of your library. If it's a creature card, you gain life equal to that card's toughness, lose life equal to its power, then put it into your hand.

At the beginning of each end step, if an opponent lost 3 or more life this turn, you may draw a card. (Damage causes loss of life.)

Landfall — Whenever a land you control enters, you gain 1 life and draw a card.

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.

Draw two cards. You may put a land card from your hand onto the battlefield.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. This artifact enters tapped. {T}: Add {W} or {U}.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. This artifact enters tapped. {T}: Add {R} or {G}.

Draw a card. You may put a land card from your hand onto the battlefield.

Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) {T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. This artifact enters tapped. {T}: Add {U} or {B}.

Search your library for a Forest or Plains card, reveal it, put it into your hand, then shuffle.

Draw three cards. You may play an additional land this turn.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. This artifact enters tapped. {T}: Add {B} or {R}.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. This artifact enters tapped. {T}: Add {G} or {W}.

Other red creatures you control get +1/+1. Other white creatures you control get +1/+1. Whenever you cast a red spell, this creature deals 3 damage to target player or planeswalker. Whenever you cast a white spell, you gain 3 life.

Prevent all combat damage that would be dealt this turn if {W} was spent to cast this spell. Each player loses 1 life for each attacking creature they control if {B} was spent to cast this spell. (Do both if {W}{B} was spent.)

Other white creatures you control get +1/+1. Other black creatures you control get +1/+1. Whenever you cast a white spell, you may tap target creature. Whenever you cast a black spell, you may destroy target creature if it's tapped.

When this creature enters, if you control two or more Mountains, you may destroy target artifact. When this creature enters, if you control two or more Plains, you may destroy target enchantment.

Players can't gain life. Damage can't be prevented. All damage is dealt as though its source had wither. (A source with wither deals damage to creatures in the form of -1/-1 counters.)

Move all counters from target creature onto another target creature.

Hexproof from monocolored Whenever you cast a multicolored spell, create a 4/4 red and white Golem artifact creature token.

Creatures your opponents control lose flying until end of turn if {G} was spent to cast this spell, and creatures you control gain flying until end of turn if {U} was spent to cast this spell. (Do both if {G}{U} was spent.)

Flying Wither (This deals damage to creatures in the form of -1/-1 counters.) Creatures your opponents control with counters on them can't attack or block.

{2}{W}{U}: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.