Rule 805.1.b
Accelerate is functionally short for "As you play me, you may pay [1][C] as an additional cost. If you do, I enter ready."
- 805.1.b.1 If the unit has one or more domains, the Power portion of the Accelerate cost can be paid only with a Power that…
- 805.1.b.2 If the unit has no domain, the Power portion of the Accelerate cost can be paid with [A] (a Power of any domain).