Kings and Legends is a free to play, Gacha CCG with elements of Tower Defense/Attack, by GameSpree. Collect soldiers of varying strength and style, then pit them against your enemy's forces in a 3 lane strategy attack.
Business Model: Free to Play
Microtransactions: Yes: Players may purchase "Gold" which allows a variety of services, including class changes, card packs, and others. Accumulated purchases of Gold count towards increased VIP statuses with cumulative bonuses.
Warrior, Priest, Mage, Ranger
Gacha: Buy card packs with in game Silver, or use Gold purchased with real money for premium packs. Enchant, combine, and level up over 250 unique cards.
Tournaments and Events: There's always something to do on Kings and Legends, be it PvP focused tournaments, or PvE adventures.