It doesnt have the exact same definition as the threshold keyword, but Elvish Reclaimer has a similar playstyle that focuses on lands in your graveyard
When I make a deck, I want the ability to get rid of anything problematic, no matter what type of threat it is
And then you'll have fuel with Food which counts as both artifacts and tokens, Treasure decks, Clues, Orzhov Tokens, and more
Creature - Human Artificer Color tag templates(None) Myr Battlesphere When this creature enters, create four 1/1 colorless Myr artifact creature tokens
Dont forget planeswalkers like Ob Nixilis, the Adversary
Tetsuo, Imperial Champion Tetsuo, Imperial Champion has been on my list of things to build for the last few months now