The mana could also go towards land destruction spells such as Acidic Slime, Reap and Sow, and Woodfall Primus, to prevent control decks from stopping Thrun with Iona, Shield of Emeria
Cling to Dust Repeatable card draw is nice, especially if youre filling your graveyard anyway because youre one of a dozen black archetypes that wants to do that
Natural Balance Sorcery Each player who controls six or more lands chooses five lands they control and sacrifices the rest
There are a lot of other permanents that give tokens a stat boost, so when all of these combine your tokens, even if they're 1/1s, they'll be threatening in combat
Cryptic: While I don't have much to elaborate on the role of the named Tyranid human characters, I think the deck did a neat job translating Genestealer Cults into the card game and I wanted to make a few remarks about that
Bucky Squirrel Squeak Tutor's strategy is focused entirely on stripping away the opponent's options before they even had a chance to play them, forcing competitors to play completely off the top of their decks and make quick decisions