Knight-Captain of Eos

The activated ability is the part worth dwelling on, because it does something most fog effects cannot: it prevents combat damage at instant speed without committing a card, paying only one white and a Soldier you already have on the battlefield. That turns the two tokens it brings into the trade into a renewable supply of one-shot fogs, each one buying a turn against an alpha strike or stranding an attacker mid-combat. Where a card like Fog is gone the moment it resolves, this hands you a repeatable damage-prevention engine attached to a body, and the cost is built so the engine winds down on its own: every fog eats a Soldier, so the number of turns you can stall is exactly the number of bodies you are willing to throw away. The wrinkle is that it prevents all combat damage that turn, yours included, so the ability is a defensive tool rather than a way to swing through unblocked. The 2/2 frame is incidental; what you are paying five for is a token-making blocker that can, on the right turn, simply switch off the combat step. It reads as a midrange value creature and plays as a soft lock against creature decks, the kind of asymmetric stall that quietly dismantles an aggressive board over several turns rather than answering it all at once.