Tower Defense: Heroes of the Wildlands

From BoardGameGeek:

Welcome to a thrilling tower defense adventure! Draft unique heroes, strategically place them along multiple paths to create powerful ambushes. Unleash mighty spells from your spellbook to turn the tide of battle. With tons of heroes to choose from and multiple maps, every game offers a fresh and unique challenge. Your decision-making is key: while drafting heroes to protect your routes, those not selected will turn against you as enemies, determined to reach and destroy your tower. Adapt your strategy and protect your tower at all costs! -description from the designer