If I have all body runes and no order runes and make a unit mighty with Doran's Blade, if Fiora Grand Duelist channels an order rune, can I now pay the order rune to ready the unit?

Question

Accepted Answer

Yes, you can use the Order rune channeled by Fiora, Grand Duelist to pay for an ability that requires an Order rune, provided that the ability you are using to ready your unit specifically requires an Order rune as a cost.

Here is the breakdown of how this works:

1.  **Triggering Fiora:** When your unit becomes Mighty (reaches 5+ Might), Fiora, Grand Duelist's triggered ability activates. You may choose to exhaust Fiora to channel 1 rune from your Rune Deck.
2.  **Channeling the Rune:** As the ability resolves, you place the top rune of your Rune Deck onto the board. If that rune is an Order rune, it is now on the board under your control.
3.  **Paying the Cost:** Once the rune is on the board, it is a game object you control. If you have an ability that allows you to ready a unit by paying an Order rune (e.g., by recycling that rune or using an activated ability that requires an Order rune), you can now perform that action.

**Important Considerations:**
*   **Timing:** You must have the ability to ready the unit available to you (e.g., a card or ability that says "Pay 1 Order rune: Ready target unit"). The act of channeling the rune does not automatically ready your unit; it simply provides the resource (the Order rune) necessary to pay for such an effect.
*   **Exhausting vs. Recycling:** Remember that if you need to use the rune for its power (to pay a cost), you can recycle it. According to **Rule 163.2.b**, recycling a rune adds power of that rune's domain to your pool. If you need to pay an Order rune cost, recycling an Order rune provides that specific power.
*   **Sequence:** Ensure you have the necessary ability or card effect that allows you to ready a unit in the first place. The Order rune itself is just the resource used to pay the cost of that effect.

If you are referring to a specific card that readies a unit for an Order rune cost, please provide the name of that card so I can confirm the exact interaction!