Best Budget Ramp & Mana Rocks for Commander

Dash costs you pay cost {2} less (as long as this creature is on the battlefield). Dash {2}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

When this creature enters, you gain 3 life. {T}: Add one mana of any color.

Flash Flying When this creature enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Whenever this creature attacks, the next spell you cast this turn costs {1} less to cast.

Devoid (This card has no color.) {T}: Add {C}. Spend this mana only to cast a colorless spell, activate an ability of a colorless permanent, or pay a cost that contains {C}. ({C} represents colorless mana.)

Devoid (This card has no color.) Pay 1 life: Add {C}. Activate only once each turn. ({C} represents colorless mana.)

Whenever this creature attacks, face-down spells you cast this turn cost {1} less to cast.

{T}: Untap target Gate.

When this creature enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") {1}{B}{R}, Sacrifice another creature or artifact: Until end of turn, other creatures you control get +1/+0 and gain menace and haste.

{T}, Pay 1 life: Add {G}.

{T}: Add one mana of any color.

{T}: Add {C}. Spend this mana only to cast a face-down creature spell, pay a mana cost to turn a manifested creature face up, or pay a morph cost. (A megamorph cost is a morph cost.)

When this creature enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

{T}, Tap an untapped creature you control: Add one mana of any color.

{T}: Add {R}. Spend this mana only to cast an artifact spell or to activate an ability.

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

{T}: Add {G} or {U}. Whenever you cast a kicked spell, you gain 2 life.

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

{T}: Add {G} or {U}. If you control a Nissa planeswalker, you gain 2 life.

Defender {T}: Add {U}. This mana can't be spent to cast a nonartifact spell.

Vigilance Formidable — {T}: Add {C}{C}{C}. Activate only if creatures you control have total power 8 or greater.

{1}, {T}: Untap target land. {1}, {T}, Exert this creature: Untap two target lands. (An exerted creature won't untap during your next untap step.)

Menace When this creature enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") When this creature leaves the battlefield, sacrifice a Powerstone.

When this creature enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.) {T}: Add one mana of any color.

{T}: Add {C}. Spend this mana only to cast a colorless spell or to activate an ability.

Haste {1}, {T}, Discard a card: Draw a card. Whenever you discard one or more artifact cards, add {R}{R}. This ability triggers only once each turn.

{T}: Add one mana of any color. Web Support — {2}{G}, {T}: Put a +1/+1 counter on target Spider. Activate only as a sorcery.

{T}: Add one mana of any color. {7}, {T}, Sacrifice this creature: Create a 5/5 red Dragon creature token with flying.

When this creature enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

{T}: Add one mana of any color.

{T}: Put an oil counter on this creature. {T}, Remove an oil counter from this creature: Untap target land.

{T}, Sacrifice an artifact: Add {R}{R}.

{T}: Add {R}.

When this creature enters, you get {E}{E} (two energy counters). {T}, Pay {E}: Add one mana of any color.

{T}: Add {U}. Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell.

Flying The second spell you cast each turn costs {1} less to cast.

Pay 2 life: Add two mana of any one color. Spend this mana only to cast Equipment spells or activate equip abilities. Activate only once each turn. {T}, Sacrifice an Equipment attached to Ronin: Target creature gets -4/-4 until end of turn. Activate only as a sorcery.

{T}: Add {U}. Spend this mana only to cast an enchantment spell, unlock a door, or turn a permanent face up.

Defender {T}: Add {G}. {5}{G}{G}: Transform this creature. // {T}: Add {C}{C}.

{T}: Add one mana of any type that a land you control could produce.

When this creature enters, you gain 2 life. {T}: Add one mana of any color.

{T}: Untap target land.

{T}: Add one mana of any color. Whenever you commit a crime, untap this creature. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

As long as there are two or more creature cards in your graveyard, this creature gets +2/+2 and is all creature types. {T}: Add one mana of any color.

Whenever this creature attacks, untap target creature or land.

{T}: Untap another target snow permanent.

Prototype {2}{G} — 1/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) {T}: Add an amount of {G} equal to this creature's power.

Flying During turns other than yours, spells you cast cost {1} less to cast.

{T}: Add {G}.

{T}: Add one mana of any color. {T}, Exert this creature: Add two mana of any one color. (An exerted creature won't untap during your next untap step.)

{T}, Tap an untapped artifact or creature you control: Add one mana of any color.

As an additional cost to cast this spell, behold an Elemental or pay {2}. (To behold an Elemental, choose an Elemental you control or reveal an Elemental card from your hand.) {R}: Target creature you control gains trample until end of turn. If this is the third time this ability has resolved this turn, add {R}{R}{R}{R}.

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

{T}: Add {U}. Spend this mana only to pay a disturb cost or cast an instant or sorcery spell.

At the beginning of your end step, if you control a creature with power 5 or greater, you may have this creature deal 2 damage to target player or planeswalker. {T}: Add {C}.

When Rosheen enters, mill six cards. You may put a card with {X} in its mana cost from among them into your hand. {T}: Reveal any number of cards with {X} in their mana cost in your hand. Add {C}{C} for each card revealed this way. Spend this mana only on costs that contain {X}.

Vigilance {T}: Add an amount of {C} equal to Vhal's toughness. This mana can't be spent to cast spells from your hand. Choose a Background (You can have a Background as a second commander.)

When this creature enters, create a tapped Powerstone token for each other creature you control. (They're artifacts with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

{1}, {T}, Exile a creature card from your graveyard: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

When this creature enters, put three -1/-1 counters on target creature you control. {T}, Remove a -1/-1 counter from this creature: Add one mana of any color.