Loyal Warhound is cheap, effective, and can actually deal out some combat damage
This, most commonly, is seen in sacrifice shells when it does show up in constructed to try and make the Citadel as consistent as possible
Many pro-creature cards aren't creatures to give your deck tension, but not this
You'll find a lot of cards in Scrappy Survivors that will modify creatures to become bigger, better versions of themselves, and you'll also find a ton of cards that look for auras and equipment to become larger
Also exiling is the preferred method of removal for casual formats like Commander since it gets past indestructible things like Darksteel Plate, tricks like Heroic Intervention, and it permanently ends their threat, and they cannot be recurred