With cards like Drover of the Mighty, Channeler Initiate, Pillar of Origins, Unclaimed Territory, and Attune to Aether in Standard, it's not hard to get the mana you need to play the best Dinosaurs from each color
In many peoples eyes, this red creature invalidated creature-based decks, being able to pick off a full board relatively easily, while leaving behind a 3/3 double striker to quickly end the game with yourself
After the 1st Edition print run was completed, the 1st Edition symbol was removed but certain elements, such as the missing shadow and thin HP font, were retained
OK, seems legit enough at least
Hisuian Samurott V [D] Basket Crash: Discard up to 2 Pokmon Tool cards from your opponents Pokmon
However, that was just reprinting six cards, and there are hundreds of new cards in the 40k commander decks - not to mention that the Astartes, Necron and Tyranid creature types are part of Games Workshop's intellectual property, so presumably can't be reused without their license.