With the negative reception to the product, many suspect that it did not sell well and was taken down to imply it had sold out
We ended up ultimately not liking these because the Zombie tokens were feeling a bit too similar to what Shadows over Innistrad was doing with Zombies
The most thematic way to use them is to include one copy in your deck and trust in the Heart of the Cards to deliver it exactly when needed
Sure theres the chance it gets blown up and undone, but the ability to exile any nonland permanent easily outweighs that
First up is Golos, Tireless Pilgrim, who is great, but as a five-color card, hes a hard one to fit into most decks
Mutating Brokkos onto an infect creature can make it a huge threat, especially if that creature has other strong keywords like Plague Stinger