| Name | Professor Chang's Observatory |
| Type: | Field |
| Limit: | 2 |
| Requirements: | Chang Scientist gets +100 Power each. |
| Effect: | Change Scientists get +100 Power each. CONSTANT - This field effect may not be voided. Xenothium Laser: If your opponent does not attack any Field when they are the attacker, add 1 Field damage to any of your opponent's Fields. |
| #, Rarity: | FD-019, R |
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