\documentclass[]{standalone}

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

\begin{document}
\begin{tikzpicture}
\cardtypeSpell
\cardtitle{Attack!}
\cardbuycost{5}
\cardcontent{Two units gain +1 Damage until end of turn}
\cardplaycost{2}
\cardmodule{magic}
\cardborder
\end{tikzpicture}
\end{document}