Your search for "Battlefield Improvisation 276" revealed the following:
Battlefield Improvisation (ACR) from Assassin's Creed, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Mintautas Šukys Card Text:InstantTarget creature gets +2/+2 until end of turn. If that creature is attacking, you may attach any number ofEquipment you control...