Overall, Mimikyu might have very little HP, but its ability to slow down the game is nearly unmatched
Intangible Virtue is another hard decision, but I feel that its better in a card with a lot more smaller tokens that a few 4/4 Zombie tokens
They were built for bulk orders, not for the one card that actually matters to you
Battering Krasis Battering Krasis has all the same issues as Shambleshark, but on a 3-mana trampler
MTGNexus also has extensive forums for the custom cards and Magic more generally, so you can get feedback on your creations and improve your card design
In the illustration, Nidoking stands tall and proud in a lush forest, strutting like hes the undisputed ruler of the land