ALERT! (MZMI-EN083) [Maze of Millennia]

(This card is always treated as a "Rescue-ACE" card.)
<br>Add 1 "Rescue-ACE" monster from your GY to your hand, or if you control "Rescue-ACE Hydrant", you can add 1 "Rescue-ACE" monster from your Deck to your hand instead. You can only activate 1 "ALERT!" per turn.