\documentclass[]{standalone}

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

\begin{document}
\begin{tikzpicture}
\cardtypeArtifact{catalyst}
\cardbuycost{3}
\cardcontent{Spells any player controlling the most units in range 1 playes cost one less resource.}
\cardplaycost{5}
\cardmodule{magic}
\cardborder
\end{tikzpicture}
\end{document}