This culmination of several years worth of Magics expanded universe brought planeswalkers, villains, and heroes together on one plane, all under the machinations of the evil Nicol Bolas
Kind of a weird boardwipe/graveyard hate, but it's flexibility means it can be used both defensively to stop combos and to your own advantage synergistically with other cards
Can You Respond to Forage
When you pair this with traditional reanimate cards, you can effectively play the same creatures multiple times
While Landorus needs extreme modification to the original decklist to work perfectly, its really worth it in a certain type of metagame
Still, for players who want more flexibility, more packs, and better draft potential, Foundations Play Boosters are the better long-term buy