Guess the next Evolution... what do you think we'll have?

What do you think will be (or what do you want to be) the next evolution card(s) and what it will do?

Swarm Card (skeleton army, goblin gang, etc)

Win Condition Card (Goblin Giant, Skeleton Barrel, Lava Hound, etc)

Regular Melee Troop (knight, Valkyrie, etc)

Regular Ranged Troop (Flying Machine, Hunter, etc)

Spell Card (fireball, zap, etc)

Champion Card (Monk, SKing, AQueen, GKnight)