Since were gonna assume the aggro role, adjusting mana base to 3 colors goes relatively easy thanks to Shocklands
7: You get an emblem with Whenever you cast an Elf spell, it gains haste until end of turn and you draw two cards. Illustrated by Chris Rallis Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Not Legal Brawl Legal Legacy Not Legal Comp
I could loop a Wurmcoil Engine or Myr Battlesphere as they make enough creatures to use mana from Ashnod's Altar to pay for Deathmantle activations
Kellan has always excelled at finding allies in the most unlikely places, and those recruitment skills are on full display here
This has a nice baseline, and growing it isn't too challenging, especially because he likes Warp
If you don't control an Army, create a 0/0 black Orc Army creature token first.) Creature tokens you control have deathtouch