If Celebi ☆ would be Knocked Out by damage from an opponent's attack, you may flip a coin. If heads, Celebi ☆ is not Knocked Out, discard all cards attached to Celebi ☆, and put Celebi ☆ on the bottom of your deck.
Count the amount of Energy attached to Celebi ☆. Put that many damage counters on 1 of your opponent's Pokémon.
You can't have more than 1 Pokémon ☆ in your deck.