Using noncreature artifacts from the sideboard, activating Karn's first loyalty ability and then using Noble Hierarch's exalted ability to pump them up is the best option for this kind of deck
This build embraces: - Warrior tribal aggression - Combat-mana combo engines - Five-color value and flexibility It is fast, explosive, and capable of ending games abruptly
That's just my opinion though
It can keep your hand full while you put the beatdown on your opponents
The big problem with this sort of plan is it doesn't protect your board from opposing Rush characters or Floodborn's getting Shifted out
Thankfully we have 6 repeatable sacrifice outlets already: [Card]Phyrexian Altar[/CArd], [Card]Ashnods Altar[/Card], [Card]Skirk Prospector[/Card], [Card]Sling-Gang Lieutenant[/Card], [Card]Krav, the Unredeemed[/CArd] and [Card]Goblin Bombardment[/Card]