6 Tyrranax Rex It is hard to deny the power behind Tyrranax Rex and how much game designers wanted you to use this card in a poison deck
Its redundancy for removal, sure, but at the end of the day it triggers itself and triggers your other effects, twice, because of Offspring
Land - Tower Urza's Color tag templates(None) Urza's Workshop : Add
Without first strike, other removal or sac outlets to turn this on you have to use it like a Reciprocate to get a double hit and that is assuming you can get something dead in combat
Even if the highest potential for a card (its ceiling) is capped, it can have a high enough baseline (its floor) to make it consistently powerful
Plus, Kuzco doesnt even need to exert to trigger his effect, and with Evasive, hes a slippery little menace your opponents will struggle to pin down