It can be in Black decks with Cabal Coffers, in Green with Explosive Vegetation, in mono-color with Nykthos, Shrine to Nyx and with Red's love of Treasures
At six mana, the card is an absolute beating when it hits the board
A landfall deck falls flat if it ever misses a land drop, and you need your power-boosting effects at the right time too
Most are desparked Planeswalkers, with some, like Nahiri, Forged in Fury, look set to make a big splash on Commander
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) Whenever you attack with one or more Wraiths, exile the top X cards of your library, where X is their total power
A single mana to make a food token is a great rate, and an easy way to turn leftover mana into value