Logistical Advent

Startup
Every player sets up every land card in a grid fashion and begins with the nexus gate card. To use cards, creatures must move non-diagonally to other lands, tapping when their speed has been exceeded (default 1). Attacking and using abilities costs 1 speed as well.
To move between internal and external lands requires it's specified as well, and the player of this card realistically decides what the land card is.