\documentclass{iditacard}

\cardtype{attachment}
\rarity{legendary}

\begin{document}
\begin{card}
    \energy{2}
    \health{2}
    \risk{2}
    \name{Harness}
    \text{All energy costs are reduced by 1.}
    \flava{A controlled dog is an easy dog.}
    \type{attachment}
\end{card}
\end{document}