Despite being underwhelming from a power level standpoint, Grizzly Bears has been printed across over a dozen sets and even inspired numerous functional reprints, including Balduvian Bears, Forest Bear, Runeclaw Bear, and Bear Cub
I dont have a ton of experience with them online, but I did have good experiences buying from their booth at GPs
Commander is often a reason for friends to hang out with each other, and playing something straightforward allows room for the conversation to flow
Dismember Dismember is a wonderful way to remove pesky creatures
I wish the Hydra token that its death trigger gives you came in with +1/+1 counters
Further Upgrades The first cards I'd pick up to further juice up the deck would be untapped mana-fixing lands: Watery Grave, Shipwreck Marsh, Underground River, Morphic Pool, Darkslick Shores, Polluted Delta, Sunken Ruins, Undercity Sewers, Urborg, Tomb of Yawgmoth and then maybe a couple more Island / Swamp fetches