Go Go Zoo Brigade!

CNT Ability

Choose 1 Zoo Brigade unit in your hand. You may special summon it into your attack zone. (You cannot use its abilities with this.)

Ability

Timing: Standard Action
■ Look at the top 4 cards of your deck and choose 1 Zoo Brigade unit from among them. Special summon that unit, and put the rest of the cards back on the bottom of your deck. If the special summoned unit has a , use it.

The "replacement" phenomenon was taking place even within Earth's jungles. If it weren't for the efforts of the Zoo Brigade to root them out, the Exvaders would have amassed a large army to devastate those regions.