CardName: Threshold land
Cost:
Type: Land
Pow/Tgh: /
Rules Text: {T}: Add {C} to your mana pool.
Threshold -- {T}: Add {U} or {B} to your mana pool. Activate
this ability only if there are seven or more cards in your
graveyard.
Flavour Text:
Set/Rarity: Time Spiral 2 Uncommon
Threshold land
U
Land
: Add to your mana pool.
Threshold — : Add or to your mana pool. Activate this ability only if there are seven or more cards in your graveyard.
: Add 
to your mana pool.
or 
to your mana pool. Activate this ability only if there are seven or more cards in your graveyard.
See Metalcraft land.