Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. You may repeat this process any number of times.
{4}
Aetherflux Reservoir
Artifact
Whenever you cast a spell, you gain 1 life for each spell you've cast this turn.
Pay 50 life: Aetherflux Reservoir deals 50 damage to any target.
{X}{X}{X}
Astral Cornucopia
Artifact
Astral Cornucopia enters the battlefield with X charge counters on it.
{T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.
{G}
Birds of Paradise
Creature - Bird
Flying
{T}: Add one mana of any color.
0 /
1
{G}
Boreal Druid
Snow Creature - Elf Druid
{T}: Add {C}.
1 /
1
{1}{B}
Cabal Ritual
Instant
Add {B}{B}{B}.
Threshold -- Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.
{0}
Chrome Mox
Artifact
Imprint -- When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand.
{T}: Add one mana of any of the exiled card's colors.
{B}
Culling the Weak
Instant
As an additional cost to cast this spell, sacrifice a creature.
Add {B}{B}{B}{B}.
{B}
Dark Ritual
Instant
Add {B}{B}{B}.
{B/G}
Deathrite Shaman
Creature - Elf Shaman
{T}: Exile target land card from a graveyard. Add one mana of any color.
{B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.
{G}, {T}: Exile target creature card from a graveyard. You gain 2 life.
1 /
2
{2}
Dimir Signet
Artifact
{1}, {T}: Add {U}{B}.
{1}{U}
Dramatic Reversal
Instant
Untap all nonland permanents you control.
{G}
Elves of Deep Shadow
Creature - Elf Druid
{T}: Add {B}. Elves of Deep Shadow deals 1 damage to you.
1 /
1
{G}
Elvish Mystic
Creature - Elf Druid
{T}: Add {G}.
1 /
1
{2}{G}
Elvish Spirit Guide
Creature - Elf Spirit
Exile Elvish Spirit Guide from your hand: Add {G}.
2 /
2
{0}
Everflowing Chalice
Artifact
Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)
Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.
{T}: Add {C} for each charge counter on Everflowing Chalice.
{2}
Fellwar Stone
Artifact
{T}: Add one mana of any color that a land an opponent controls could produce.
{2}
Golgari Signet
Artifact
{1}, {T}: Add {B}{G}.
{3}{B}{G}
Ikra Shidiqi, the Usurper
Legendary Creature - Naga Wizard
Menace
Whenever a creature you control deals combat damage to a player, you gain life equal to that creature's toughness.
Partner (You can have two commanders if both have partner.)
3 /
7
{2}
Isochron Scepter
Artifact
Imprint -- When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand.
{2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.
{2}{U}
Laboratory Maniac
Creature - Human Wizard
If you would draw a card while your library has no cards in it, you win the game instead.
2 /
2
{G}
Llanowar Elves
Creature - Elf Druid
{T}: Add {G}.
1 /
1
{0}
Lotus Petal
Artifact
{T}, Sacrifice Lotus Petal: Add one mana of any color.
{0}
Mana Crypt
Artifact
At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
{T}: Add {C}{C}.
{1}
Mana Vault
Artifact
Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
{0}
Mox Amber
Legendary Artifact
{T}: Add one mana of any color among legendary creatures and planeswalkers you control.
{0}
Mox Diamond
Artifact
If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add one mana of any color.
{0}
Mox Opal
Legendary Artifact
Metalcraft -- {T}: Add one mana of any color. Activate only if you control three or more artifacts.
{5}
Paradox Engine
Legendary Artifact
Whenever you cast a spell, untap all nonland permanents you control.
{2}
Pentad Prism
Artifact
Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)
Remove a charge counter from Pentad Prism: Add one mana of any color.
{B}
Rain of Filth
Instant
Until end of turn, lands you control gain "Sacrifice this land: Add {B}."
{2}
Simic Signet
Artifact
{1}, {T}: Add {G}{U}.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{B}{G}
Squandered Resources
Enchantment
Sacrifice a land: Add one mana of any type the sacrificed land could produce.
{1}{B}
Tainted Pact
Instant
Exile the top card of your library. You may put that card into your hand unless it has the same name as another card exiled this way. Repeat this process until you put a card into your hand or you exile two cards with the same name, whichever comes first.
{2}
Talisman of Dominance
Artifact
{T}: Add {C}.
{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.
{G}{U}
Thrasios, Triton Hero
Legendary Creature - Merfolk Wizard
{4}: Scry 1, then reveal the top card of your library. If it's a land card, put it onto the battlefield tapped. Otherwise, draw a card.
Partner (You can have two commanders if both have partner.)
1 /
3
{2}{B}
Yawgmoth's Will
Sorcery
Until end of turn, you may play lands and cast spells from your graveyard.
If a card would be put into your graveyard from anywhere this turn, exile that card instead.