\documentclass[a4paper,landscape]{article}
\usepackage[margin=6mm,top=5mm]{geometry}
\input{libs.tex}
\input{colors.tex}
\input{tikzcards.tex}
\usepackage{standalone}
\begin{document}
\begin{center}
\pagestyle{empty}
\includestandalone{cards/en/nautics/barge}
\includestandalone{cards/en/nautics/captain}
\includestandalone{cards/en/nautics/fisher}
\includestandalone{cards/en/nautics/fish_trap}
\includestandalone{cards/en/nautics/galley}
\includestandalone{cards/en/nautics/sailor}
\end{center}
\end{document}