Board Thread:Game Suggestions/@comment-2607:FB90:4AE0:17D8:98CC:A3D7:3C4D:8C40-20180928002318/@comment-138.67.194.177-20181010173951

You can place the tower on a card before the "round unlocked".

2-4-0 tack (green tier)

Tower cost $4200

Bloon send: Ceramic x3, 3 spacing

Bloon cost: $1200

Bloon eco: -6

Round unlocked: 16