Her final ability doesn't specify which effect you need to sacrifice a Junk to , so you'll get red mana as a byproduct of sacrificing it for another purpose, like feeding your Atog
PRB-01 features cards from OP-01 through OP-06, while PRB-02 covers later sets
It works with everything from cards that were in Standard at the time of printing (Living Death, Recurring Nightmare) to strategies recently printed (Boneyard Wurm, Spider Spawning) and everything in between
It becomes a Plant in addition to its other types
And even if it did work, we were mostly equipping a bunch of lands that give +0/+0 to Vulshok Battlemaster, so the idea was more funny than good
But even if youre lacking, Caesar can generate two Creature tokens for the price of one, ensuring that youll never run out of fuel unless a boardwipe comes along.