\documentclass[]{standalone}

% Pakete dazuladen
\input{libs.tex}
% Farbdefinitionen laden
\input{colors.tex}
% \card-Commands laden
\input{tikzcards.tex}

\begin{document}
\begin{tikzpicture}
\cardtypeEquipment
\cardtitle{Tower Shield}
\cardbuycost{7}
\cardsplitcontent{Durability: 3}{Equipped unit has +2 Health}
\cardplaycost{2}
\cardmodule{base}
\cardborder
\end{tikzpicture}
\end{document}