\documentclass[]{standalone}

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

\begin{document}
\begin{tikzpicture}
\cardtypeUnit
\cardtitle{Fighter}
\cardbuycost{7}
\cardsplitcontent{Health: 2\\ Movement: 2\\ Attack: 1}{Effect: One additional attack action}
\cardplaycost{1}\cardmodule{base}
\cardborder
\end{tikzpicture}
\end{document}