Persian Kitty (rare Nature tower)

A beauty cat with sweet reward,but she loving sleeping Cost 1890 gold Range - 2 Type - Nature Base attack speed - 2,7 Base damage - 13-18 Attack Type - Ber Female When she defeat a boss,there is a 5% chance she find a card relic After getting card relic,she need 25 rounds for sleeping(100 rounds in bonus round)

This seems like a frustrating tower to use. It seems like it would be used as a carry until it falls asleep and then swapped back to the normal carry again. I tried to find a way this could be implemented and not feel painful to use. This is what I came up with: