Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Mishra's Workshop

{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.

Mox Pearl

Mox Sapphire

Blood Moon

Mana Vault

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}.

Mountain

Kobolds of Kher Keep

Gauntlet of Might

Red creatures get +1/+1.
Whenever a Mountain is tapped for mana, its controller adds an additional {R}.

Mox Ruby

Kobold Taskmaster

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

Crookshank Kobolds

Mox Emerald

Mightstone

Crimson Kobolds

Mox Jet

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Winter Orb

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.