Play it early to remove a mana dork or critical creature
Doc Aurlock, Grizzled Genius I love Doc Aurlock, Grizzled Genius from Outlaws of Thunder Junction , though the bear is relatively new among Magic cards
I think Overlord is the best due to its flexibility, but if you want more options, Wood Elves, Farhaven Elf, and Topiary Stomper are all quite reasonable
As a three-color planeswalker, Sarkhan is a good pick for your Dragon deck, especially since it can produce Dragons for a relatively cheap loyalty cost of just two counters
Team tournaments are always the most fun, and I cant recommend enough giving it a chance if you can make it
Gideon's Lawkeeper represents the most efficient form as a 1-mana creature whose ability only costs 1 mana, but even more expensive versions are effective disruptive pieces