Cycle of lands for WBR faction.

"or" in costs is distributive over the whole cost (see Crystal Shard), so this text would give it the cost options of ", Sacrifice a creature" or simply "Pay 1 life", and turn the whole cycle into Channel.

I wonder if this would read better with two abilities that have the same effect but different costs.

since this is a logic problem, let's use logical symbols: (Pay 1 life or sacrifice a creature),

And let's put the tap symbol before either half (while keeping the first one capitalised), like on Blasting Station or Arid Mesa.