Can a Gear like Seal of Rage be used to pay the power cost for playing another card, and if so, does the Gear get recycled?

Ruling: Yes, you can use a Gear like Seal of Rage to pay the power cost for playing another card. No, the Gear will not be recycled when used this way.

Sequence:

• Exhaust runes equal to the energy cost of the card you're playing
• Exhaust the Seal (or other power-generating Gear) to pay the power cost
• No rune needs to be recycled

Nuances:

• Seals generate power, not energy (mana)
• The purpose of Seals is to pay power costs without having to recycle runes
• "Seals" is a generic term for a cycle of 6 Gear cards (one for each domain) named "Seal of [Domain]"