1 Trainer, Pokmon (2013) Pokmon World Championships Promo graded CGC Gem Mint 10 (lot 38), which has a starting price of $10,000 a No
The main nightmare scenario would be something like Balamb T-Rexaur which can wall off the Chocobo until it goes away
Imagine using the scavenge ability on Yargle and Multani to give something 18 +1/+1 counters, plus whatever doubling/adding shenanigans you have on board
Also it having indestructible is a great way of making sure it gets to your end step to guarantee the effect goes off
To differentiate between these two 1st edition print runs, the second printing is usually referred to as shadowless cards, so collectors know that even though the Edition 1 logo isnt present, they are still 1st edition base cards
With Trample, you are guaranteed to spill damage over to the player, generating a hoard of gold in the process