You're either ramping towards your big threats or putting another big threat into play for free, and either way it's advancing your game
However, Krenko's best feature out of everything: he's a token machine
A two mana 2/1 with the Vipers ability is a pretty nice two drop for Limited, as it is reasonably likely to chip in some extra damage all game, so the fact this can also bounce something is nice Cleave Shadows is certainly somewhat situational, but I think youll be surprised by how many board states there will be where it lets you kill something
Sunflora #606 Pokemon Chinese Gem Pack 5 Keep track of your collection value over time
From the Rubble Repeated reuse of your creatures and no additional cost: These are excellent traits for reanimation
The beauty of these apps is that since price varies between set and language for every card, it's usually super easy to switch between different versions of the card (whether set or language) This should make it relatively easy to find the english (or any other language it's been printed in) version of the card