The Callipygian Ideal
From Archon Arcana
The Callipygian Ideal • Saurian • Upgrade • Uncommon • Play: Exalt this creature.
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This creature gains, “You may spend 
on this creature as if it were in your pool.” • Artist: Adam Vehige • Card Number: WC (212)
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FFG Rulings
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No. Senator Shrix's ability only refers to spending Æmber. Æmber is only spent when forging keys; if your Æmber would be lost, stolen, or captured, you cannot use Æmber on Senator Shrix.Source: Crucible Cast 24
If I have a Senator Shrix in play with 1 Æmber on it and my opponent plays Bumpsy, can I lose the Æmber off of Senator Shrix instead of from my pool?
No. Senator Shrix's ability only refers to spending Æmber. Æmber is only spent when forging keys; if your Æmber would be lost, stolen, or captured, you cannot use Æmber on Senator Shrix.
Source: Crucible Cast 24
Commentary
If there is enough Æmber on The Callipygian Ideal (or other cards with this effect under the control of the active player) combined with the Æmber in the active player's Æmber pool during the "Forge a Key" step, the active player must forge a key.
Source: Forge