First off, the return of double-faced cards
With land recursion effects, Commander Beacon can continually keep your Command Tax at bay
Its probably the third or fourth best (non-land) infect creature behind Glistener Elf and Blighted Agent, competing with Phyrexian Crusader depending on the situation and build of your deck
Attack of the Vine is Set 13 in the series, the culmination of a year-long storyline and the first appearance of Monsters, Inc
Yet another sacrifice outlet, Promise of Aclazotz first gives you a demon as you send it on an adventure , and then it gives you more demons when it comes back as an enchantment
Its an upsetting affair, making any card that lets you replay these land cards, like Crucible of Worlds, very powerful