The effects from Tenth District Hero's abilities overwrite other effects that set power and/or toughness if and only if those effects existed before the ability resolved
Bag of Devouring Bone Devourer Book Devourer Devour Flesh Devour Intellect Devour in Flames Devour in Shadow Devourer of Destiny Devourer of Memory Devouring Deep Devouring Greed Devouring Hellion Devouring Light Devouring Rage Devouring Strossus Devouring Sugarmaw Devouring Sugarmaw Devouring Swarm Devouring Tendrils Dream Devourer Effluence Devourer Faceless Devourer Galactus, Devourer of Worlds Grothama, All-Devouring Hidetsugu, Devouring Chaos Intellect Devourer Morlun, Devourer of Spiders Nim Devourer Phyrexian Devourer Shriekwood Devourer Silvar, Devourer of the Free Thallid Devourer Thassa's Devourer Thought Devourer Venom, Deadly Devourer
Replace any vanilla cards with no effects for those with effects, or with better stats
Beveled Inner Border One of the big differences between Unlimited cards and Revised cards is the beveled border around the outside of the cards
It drops the cost of Dragon spells by 1 mana, and then, when it is on the field, your dragons essentially multiply as they attack
however, once that creature deals damage to an opposing player, you can transform Elbrus, the Binding Blade, to [c]Withengar Unbound[/c]