Had your board outed by the opponent
This is one of my personal favorite decks in this format, so feel free to give it a whirl
We're saving a2a-13-heatran from the opponent's attacker and then we can use a2-154-dawn to move a Fire Energy to a2-29-infernape-ex to go for a Flare Blitz attack
But lets search the whole, and take a look at all of Magics mice
Even though the most valuable cards in Prismatic Evolutions fell in price from their sky-high debuts, as expected, Glaceon's placement among the Eeveelution SIRs finally moved closer to where it settled in Evolving Skies
(9/25/2006) If either target is illegal at the time the ability resolves (whether because it has left the battlefield, because it has gained Shroud or Protection, or for any other reason), the ability taps the remaining target, but no damage is dealt