Calabash Nebula (Cats of the Cosmos)

Calabash Nebula is the 16th stage of Cats of the Cosmos.

Restrictions
Only cats that cost 4000¢ or less can be used in this stage.

Battleground
Doge Dark appears as a peon.

General GreGory appears after 10 seconds, and a second one is spawned 50 seconds later.

Strategy
?

Reference

 * http://battlecats-db.com/stage/s03006.html