Five mana for a 2/2 seems terrible, until you add first strike and deathtouch to it and all of your other creatures
It lacks any offensive presence, but it could stop Summoned Skull during the game's early years
Tree of Perdition is one that comes to mind since it has 13 toughness for 4 mana right off the bat and you can increase its toughness even more if it stays on the board
Make sure to attach a Bench Shield to your Claydol, or else Claydol will eventually get Knocked Out
Prismari Command looks like a safe place to start, but Im particularly appreciative of the built-in synergy with the aforementioned sorcery payoffs
These arent just for playing competitively, as people will be there to swap, trade and sell cards with each other, which is great if you have a lot of cards you dont know what to do with, or think that you can strike a deal with a rare card you have