Activated abilities of creatures you control cost {X} less to activate, where X is Agatha of the Vile Cauldron's power. This effect can't reduce the mana in that cost to less than one mana.

{4}{R}{G}: Other creatures you control get +1/+1 and gain trample and haste until end of turn.

For each color, return up to one target card of that color from your graveyard to your hand. Exile All Suns' Dawn.

Whenever you cast a spell that's one or more colors, you may gain 1 life for each of that spell's colors. Do this only once each turn.

{T}: Add one mana of any color.

Exile target nonland permanent. You lose 3 life.

When Annie Joins Up enters the battlefield, it deals 5 damage to target creature or planeswalker an opponent controls.

If a triggered ability of a legendary creature you control triggers, that ability triggers an additional time.

Whenever you cast a white spell, create a 1/1 white Human Soldier creature token.

Whenever you cast a blue spell, scry 2.

Whenever you cast a red spell, Aragorn, the Uniter deals 3 damage to target opponent.

Whenever you cast a green spell, target creature gets +4/+4 until end of turn.

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

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

{T}: For each color among permanents you control, add one mana of that color.

Choose one --

• Boros Charm deals 4 damage to target player or planeswalker.

• Permanents you control gain indestructible until end of turn.

• Target creature gains double strike until end of turn.

Indestructible

{T}: Add {C}.

{5}, {T}: Add five mana in any combination of colors.

When this Case enters the battlefield, 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.

Bestow {2}{W}{U}{B}{R}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Flying, first strike, vigilance, trample, lifelink

Enchanted creature gets +4/+4 and has flying, first strike, vigilance, trample, and lifelink.

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

{T}: Add one mana of any color.

You may spend mana as though it were mana of any color.

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

{5}, {T}: Draw a card for each color among permanents you control.

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

Search your library for a white card, a blue card, a black card, a red card, and a green card. Reveal those cards, put them into your hand, then shuffle.

Equipped creature gets +1/+1 for each color among permanents you control.

As long as Conqueror's Flail is attached to a creature, your opponents can't cast spells during your turn.

Equip {2}

{T}: Add {C}.

{5}, {T}: Add {W}{U}{B}{R}{G}.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

This spell can't be countered.

Counter target noncreature spell.

{2}, {T}: You may put a multicolored creature card from your hand onto the battlefield.

Haste

You may activate abilities of other creatures you control as though those creatures had haste.

{T}: When you next activate an ability that isn't a mana ability this turn by spending four or more mana to activate it, copy that ability. You may choose new targets for the copy.

Return any number of permanent cards with different names from your graveyard to the battlefield.

Flying

If you would scry a number of cards, draw that many cards instead.

Partner (You can have two commanders if both have partner.)

{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.

{T}, Sacrifice Fabled Passage: 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.

Vigilance

Faeburrow Elder gets +1/+1 for each color among permanents you control.

{T}: For each color among permanents you control, add one mana of that color.

Fallaji Wayfarer is all colors. This ability doesn't affect its color identity. (It can be in any deck whose commander's color identity includes green.)

Multicolored spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting a multicolored spell pays for {1} or one mana of a color that creature is.)

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Hexproof from monocolored

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

Flying, lifelink

Each legendary permanent you control has ward {2}. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

{T}: Add {C}.

{1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast legendary spells.

Whenever you cast a multicolored spell, create a 1/1 white Human creature token.

Destroy each creature that isn't all colors.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

+1: Create a 3/3 Kavu creature token with trample that's all colors.

-3: Choose up to two target creatures. For each of them, put a number of +1/+1 counters on it equal to the number of colors it is.

-6: Return target multicolored card from your graveyard to your hand. If that card was all colors, draw a card and create two Treasure tokens.

Jared Carthalion can be your commander.

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.

Whenever you cast a multicolored spell, scry 1. If that spell was all colors, create a 4/4 white Angel creature token with flying and vigilance.

{5}, {T}: Add {W}{U}{B}{R}{G}.

Flying

You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast.

Each other multicolored creature you control gets +1/+1 for each of its colors.

{W}{U}{B}{R}{G}: Exile target permanent.

If Legacy Weapon would be put into a graveyard from anywhere, reveal Legacy Weapon and shuffle it into its owner's library instead.

Enchant legendary creature

Enchanted creature has ward {2} and "{T}: Add five mana in any combination of colors. Spend this mana only to cast spells."

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

Each nonland permanent you control is all colors.

Lands you control are every basic land type in addition to their other types.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

Flying, first strike, lifelink

Other Angels you control get +1/+1 and have lifelink.

Flying

Whenever Maelstrom Archangel deals combat damage to a player, you may cast a spell from your hand without paying its mana cost.

The first spell you cast each turn has cascade. (When you cast your first spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Whenever you cast a multicolored spell, Mana Cannons deals X damage to any target, where X is the number of colors that spell is.

Flying

Whenever you cast a spell, you may discard your hand. If you do, draw a card for each of that spell's colors.

When Moonveil Regent dies, it deals X damage to any target, where X is the number of colors among permanents you control.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

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

Flying, trample

Whenever O-Kagachi, Vengeful Kami deals combat damage to a player, if that player attacked you during their last turn, exile target nonland permanent that player controls.

If you would lose unspent mana, that mana becomes black instead.

At the beginning of your precombat main phase, look at the top card of your library. You may reveal that card if it has three or more colored mana symbols in its mana cost. If you do, add three mana in any combination of its colors and put it into your hand. If you don't reveal it, put it into your hand.

{T}: Add one mana of any color. Spend this mana only to cast a multicolored spell.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

If Primeval Spawn would enter the battlefield and it wasn't cast or no mana was spent to cast it, exile it instead.

Vigilance, trample, lifelink

When Primeval Spawn leaves the battlefield, exile the top ten cards of your library. You may cast any number of spells with total mana value 10 or less from among them without paying their mana costs.

Protection from everything

If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead.

Flying

Whenever you cast a spell, put a +1/+1 counter on Ramos, Dragon Engine for each of that spell's colors.

Remove five +1/+1 counters from Ramos: Add {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}. Activate only once each turn.

When Rampage of the Valkyries enters the battlefield, create a 4/4 white Angel creature token with flying and vigilance.

Whenever an Angel you control dies, each other player sacrifices a creature.

You have no maximum hand size.

{T}: Add {C}.

Flying

Other multicolored creatures you control get +1/+0.

Whenever another multicolored creature you control dies, return it to its owner's hand at the beginning of the next end step.

Domain -- This spell costs {2} less to cast for each basic land type among lands you control.

Flying

Each creature you control has vigilance if it's white, hexproof if it's blue, lifelink if it's black, first strike if it's red, and trample if it's green.

Sisay, Weatherlight Captain gets +1/+1 for each color among other legendary permanents you control.

{W}{U}{B}{R}{G}: Search your library for a legendary permanent card with mana value less than Sisay's power, put that card onto the battlefield, then shuffle.

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

Sphinx of the Guildpact is all colors.

Flying

Hexproof from monocolored (This creature can't be the target of monocolored spells or abilities your opponents control.)

As long as you control a permanent of each color, prevent all damage that would be dealt to you.

Choose one --

• Destroy target monocolored creature.

• Destroy target artifact or enchantment.

• Draw two cards, then discard a card.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature gets +1/+1.

Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Equip {2}

Destroy target creature. It can't be regenerated.

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

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

I -- Exile target nonland permanent an opponent controls.

II -- Return up to one other target nonland permanent to its owner's hand. Then each opponent discards a card.

III -- Exile this Saga, then return it to the battlefield transformed under your control.

O-Kagachi Made Manifest is all colors.

Flying, trample

Whenever O-Kagachi Made Manifest attacks, defending player chooses a nonland card in your graveyard. Return that card to your hand. O-Kagachi Made Manifest gets +X/+0 until end of turn, where X is the mana value of that card.

The World Tree enters the battlefield tapped.

{T}: Add {G}.

As long as you control six or more lands, lands you control have "{T}: Add one mana of any color."

{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice The World Tree: Search your library for any number of God cards, put them onto the battlefield, then shuffle.

Thriving Grove enters the battlefield tapped.

As Thriving Grove enters the battlefield, choose a color other than green.

{T}: Add {G} or one mana of the chosen color.

Thriving Heath enters the battlefield tapped.

As Thriving Heath enters the battlefield, choose a color other than white.

{T}: Add {W} or one mana of the chosen color.

Whenever you cast a multicolored spell, draw a card.

{T}: Add one mana of any color.

Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Transguild Courier is all colors.

Flying, menace, haste

Whenever Two-Headed Hellkite attacks, draw two cards.

Choose five. You may choose the same mode more than once.

• Target permanent phases out.

• Target player draws a card.

• Exile target player's graveyard.

• Unite the Coalition deals 2 damage to any target.

• Destroy target artifact or enchantment.

When Up the Beanstalk enters the battlefield and whenever you cast a spell with mana value 5 or greater, draw a card.