This action is formatted as "Channel X rune(s)," optionally followed by conditions or stipulations. e.g., "Channel 1 rune." e.g., "When you play me, channel 1 rune exhausted." e.g., "Channel 2 runes exhausted. If you couldn't channel 2 runes this way, draw 1."
§ 430.5 Core Rules PDF (officieel)
§ 430 Channel
