Dimir Midrange is the rock, token strategies are the paper that beats it, and this, in turn, creates an opening for control decks with board-clearing spells (the scissors) to prey on the token decks
If you also have Phyrexian Altar in play, you can sacrifice one Zombie for black mana and a second one to Attrition, destroying a creature and getting both Zombie tokens back
The creature can shoot a foe for three, attack them for 3, and then deal 6 in one card and be echoed if you need to keep it around
Other spells that synergize with creatures entering the battlefield are also good choices: Warstorm Surge turns those fresh creatures into immediate damage, and Soul of the Harvest generates even more advantage after your creature hits the field
Verge Lands work best in decks where one color is more critical in the early turns than the other