A Sister's Determination
| Name | A Sister's Determination |
| Energy(Color Cost) | 1 |
| Status (TCG) | Unlimited |
[Counter: Attack] If your Leader Card is a 《Universe 6》 card : Negate the attack. You may choose 1 blue card in your hand and discard it. If you do, your opponent can only attack one more time for the turn with a Battle Card or Unison Card with 20000 power or more.
[Activate: Battle][Limit 1] If it's your opponent's turn : Choose up to 1 of your cards and it gets +10000 power for the battle, then choose up to 1 of your mono-blue energy and switch it to Active Mode.