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'({T}: Add {B}.)
'Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.
'{T}: Add {∞}.
{100}: Add one mana of any color.
'({T}: Add {B}.)
'This spell can't be countered.
Destroy target nonland permanent with mana value 3 or less.
'({T}: Add {U} or {R}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.
'This land enters tapped.
{T}: Add one and one-half mana of any one color.
'As this land enters, you may reveal an Island or Swamp card from your hand. If you don't, this land enters tapped.
{T}: Add {U} or {B}.
'({T}: Add {B}.)
'As this land enters, you may reveal an Island or Swamp card from your hand. If you don't, this land enters tapped.
{T}: Add {U} or {B}.
'Look at the top six cards of your library. You may reveal a creature card from among them. If that card has mana value 2 or less, you may put...
'Counter target spell unless its controller pays {1}.