What card doubles attack?

In many card games, a card that doubles attack might be referred to as a "Power-Up" card or a "Boost" card. For example, in games like "Magic: The Gathering" or "Yu-Gi-Oh!", specific cards can temporarily double the attack points of a creature or monster. It's important to refer to the specific game rules to identify the exact card name and its effects, as they vary between games. Always check the latest expansion sets for new cards that might have this ability.