Dont play taplands
Then the three-cost Harvest does mad ramp for each your tapped dorks great in tokens or aggro
Benevolent Hydra and Ironscale Hydra are two big boys that you can cast early enough thank to your Mana dorks
But some sweet synergies include Kuro, Pitlord and Horobi, Death's Wail to machine-gun down opposing creatures for 1 life per kill, Patron of the Nezumi which drains opponents, and Kagemaro, First to Suffer which is an emergency board wipe when needed
The risk is shipping weight eroding margin and disputes over vague contents, so the next action is to sort lots by color, set, or rarity and describe them precisely, which both raises the price and cuts complaints
Killing off lots of small dorks is quite easy compared to killing off small artifacts