This Gruul deck leans on colorless Eldrazi ramp through Eldrazi Temple and Urza's Saga plus card selection from Ancient Stirrings and Malevolent Rumble to power out Emrakul or Devourer of Destiny; Vexing Bauble is largely dead here since their spells cost mana, so this plan focuses more on speed and disruption. Claim the Firstborn steals an early Glaring Fleshraker or Basking Broodscale to blunt their board development. Cool but Rude provides a resilient clock that punishes their slower, ramp-heavy draws. Ox of Agonas is too clunky against a deck that can close games with a giant Eldrazi threat, so it comes out for more proactive and disruptive cards.