Not just because its a 2/1, but because it can be cast from the graveyard or exile , making it a superb infinite combo piece with Survival of the Fittest and infinite mana
None of these abilities is necessarily preposterous on their own, but each gives a different option - and in formats such as Modern and Legacy (the latter of which this card is banned in) they build up into an insurmountable advantage
You can easily cast him with the hybrid mana option, and you can even run him in Mono-Blue, Mono-Black, , or whatever
Best Early Game Cards There are a couple of ideal starting plays for this deck
A fun little sidequest of a Commander, but not quite best in class
A prominent spot for Vraska Joins Up is in the 99 of legendary-focused decks led by Jodah, the Unifier