Overlord of the Hauntwoods Overlord of the Hauntwoods offers you a big body and instant 5-color fixing through the token land it produces
This card is so good that it is banned in five formats, but still legal in Commander, so you know its powerful
Mix low, mid, and a couple of high-cost cards so you always have a play
Im even going to try this one out: Creatures (23) 4 Rattleclaw Mystic 3 Whisperwood Elemental 3 Den Protector 2 Deathmist Raptor 3 Nissa, Vastwood Seer 4 Hangarback Walker 2 Oblivion Sower 2 Ulamog, the Ceaseless Hunger Planeswalkers (3) Lands (26) Spells (8) From Beyond gets better when the 1/1s actually threaten to trade with stuff and when you go up on fetchable Eldrazi options
For just three mana, she can bring small creatures back from your graveyard over and over, letting you reuse their powerful abilities
Its pretty cost-appropriate