Majin Buu, Final Form (BT27-016) [History of Z]

Product Details

[Blocker] [Spirit Boost 1]
[Counter:Attack] [Limit 1] Negate the attack, play this card, choose up to 1 of your red Z-Unisons with an [Empower] skill and add 2 markers to it, then place this card in the Battle Area into its owner's Drop at the end of the turn.
[Permanent] If it's your opponent's turn and your Leader is a red Fierce Foe card, reduce the energy cost of this card in your hand by 4.