Its full of ample value if you do and recurring a [casthaven]Sundering Growth[/casthaven], [casthaven]Wayward Temple[/casthaven] and a fetchland feels pretty good
Some Magic: The Gathering cards are just a little too good, particularly in more specialized formats
RGW, T: Rin and Seri, Inseparable deals damage to any target equal to the number of Dogs you control
Murktide Regent is an absolute monster that can easily shut down a game once it enters the battlefield, and the nature of the card means that you'll probably have at least one counterspell to protect it once it's out
I dont have the room to go down every single one of them, but here are a few of the most common ones plus some of my own personal fun favorites for when I need to name a random type (like when I cast Gathering Stone): Avatar Beeble Cleric Dog Elf Faerie Goblin Hero Human Hydra Merfolk Ninja Otter Phoenix Rogue Sponge Toy Wizard Zombie Land Subtypes There are five basic land subtypes that you probably know pretty well: Plains, Island, Swamp, Mountain, and Forest