http://store.steampowered.com/app/585820

As a powerful wizard, you start by ruling a small nation as you plot to take over the world! Rule over seven diverse races, from shapeshifting Theria, to spider-riding Dwarves, to the decadent Regency. Explore a vast fantasy world, expand by building more cities, battle the armies of rival wizards, and cast earth-shattering enchantments to ensure your victory.

http://www.youtube.com/watch?v=2He_OYhWeFY

Leylines is a 4X game, a turn-based strategy game of exploration and conquest. The game features seven unique races with each their own tech tree; over 180 units in total, including summons and customizable hero units; and 90 diverse spells. Fast gameplay that avoids micromanagement; tactical terrain? effects; and local multiplayer with hotseat and/or splitscreen.

Now available from Steam!