You can overwhelm opponents with a massive army, or use sacrifice abilities to trade your tokens for useful effects
Marchesa works wonders with burn spells, since theyre often able to target opponents even if they have an empty board to keep the cards flowing
Abomination, World Ravager Arahbo, Roar of the World Atarka, World Render Call to the Netherworld Conduit of Worlds Crucible of Worlds Drag to the Underworld Emrakul, the World Anew Famished Worldsire Forsake the Worldly Galactus, Devourer of Worlds Hearthhull, the Worldseed Kavaron, Memorial World Koma, World-Eater Leonardo, Worldly Warrior Lost in the Spirit World Lumbering Worldwagon March of Otherworldly Light March of the World Ooze Nissa, Who Shakes the World Nissa, Worldsoul Speaker Nissa, Worldwaker Not of This World Otherworld Atlas Otherworldly Escort Otherworldly Gaze Otherworldly Journey Otherworldly Outburst Path to the World Tree Phylath, World Sculptor Polukranos, World Eater Pyre of the World Tree Rescue from the Underworld Sentry of the Underworld Song of the Worldsoul Step Between Worlds Storm World Terrian, World Tyrant The Underworld Cookbook The World Spell The World Tree This World Belongs to Me Travel the Overworld Tribute to the World Tree Underworld Breach Underworld Cerberus Underworld Charger Underworld Coinsmith Underworld Connections Underworld Dreams Underworld Fires Underworld Hermit Underworld Rage-Hound Underworld Sentinel Venus, Torn Between Worlds Wand of the Worldsoul Warp World Weight of the Underworld World Breaker World Champion, Celestial Weapon World Map World Queller World Shaper World War Hulk World at War World-Bottling Kit World-Weary Worldfire Worldgorger Dragon Worldheart Phoenix Worldknit Worldly Counsel
If the cards in all graveyards are ten artifact cards and ten creature cards, Polygoyf will still be a 2/3
[+1]: You may exile a nonland card with mana value 3 or less from your hand
