While Farseek is a solid card for fixing mana and accelerating, there are potentially better options like Rampant Growth or Cultivate which can fetch any basic land, not just specific types
The only downside to this particular deck is that its hard to upgrade it into a really competitive one as Amber/Sapphire is not a particularly strong ink combination right now
1 Point: Channel, Counterspell, Dark Ritual, Mana Vault, Mox Emerald, Mox Pearl
While mana rocks and cards like Jet Medallion and Bontu's Monument help, it still takes a while for you to set up
There are plenty of ways to put Ashnod's Alter to good use, with plenty of combos capable because of its ability
It becomes more expensive and draws cards