Bulma, Adventure for a Wish (BT30-025) - Three Glorious Fighters

[Auto] When this card is played, choose up to 3 of your blue "Earthling" cards other than this card and they gain [Blocker] until the end of your opponent’s turn.
[Auto] At the start of your opponent’s Main Phase, choose all of your blue "Earthling" cards with energy costs of 3 or less and switch them to Active Mode.