Energy Trans shuttles Grass Energy freely between your Pokmon, which made it an engine piece rather than a beater, and Pollen Hazard stacks Poisoned, Burned, and Confused on the Defending Pokmon for just 20 damage
Getting to put a land into play right when you hit it with Explore is super relevant in the early game, and while it drops off some late, it certainly doesnt hurt
Skrelv, Defector Mite has a similar effect while also being a legendary artifact creature for all the possible synergies out there
Life gain has been a necessity in mono-black to keep up with its own demands
Quantum Riddler is a space Sphinx that can draw you cards, and potentially draw you a lot of cards if you're playing them quickly
TRACE OF ABUNDANCE Trace of Abundance might look a little unnecessary when you have access to cards like Utopia Sprawl, Fertile Ground and Buried in the Garden, but hear me out