The level mechanic is pleasantly different from actual level monsters for two reasons, one that is better and one worse, keeping it in good balance overall
Its already a good creature to include in a defensive lifegain deck, but if you manage to gain 3 life, it becomes a powerful planeswalker to drive your lifegain engines
Any way you look at it, Velomachus Lorehold is looking to completely redefine combo decks in Historic, and I, for one, am excited to see what this card brings
The jury is still out on whether Rakdos is better with or without this intriguing sacrifice effect, but our money's on it fading away
The key is combining it with a shuffling effect such that you arent stuck drawing the bad cards again
So, whats in your collection thats worth grading