This has to be a political players dreamyou get to play in aggressive colors while also benefiting off creatures dying by gaining card advantage
Your opponent will likely have a few stronger creatures by this point, and when they attack through it, they can still do a good chunk of damage to Jace
Five years earlier, Ruby's victory over a Salamence was the reason Norman was banned from the Gym Leader test as the wounded Salamence rampaged in a lab, accidentally letting Rayquaza, who was in captivity at that time, free
In addition, many countries prohibit or limit the import of property made of or incorporating plant or animal material, such as coral, crocodile, ivory, whalebone, Brazilian rosewood, rhinoceros' horn, Mother of Pearl, or tortoiseshell, irrespective of age, percentage or value
Note that you can only use it at the end of combat, so you have to be careful that you take damage once
Technically, that's all true, but there's more going on beneath the surface