mtg treefolk cards Token (x/x - Reach) by Peter Mohrbacher You may cast the creature later from exile.) Treefolk Token | Lorwyn Eclipsed

Walking Ballista Walking Ballista is obscene

Players can attack with multiple creatures at once

Generating a mana advantage easily escalates into dominating a game with the right deck, and its generally used unfairly to Reanimate something nasty on turn 1 or empower a storm deck

While many of them would be interesting spaces to explore and delve into from a design perspective, they're still only filled with untapped potential (at least, at the time of writing)

any Blue/Black deck is actually benefiting from cards going to the graveyard by default

They shut down aristocrat strategies, which can overlap with graveyard strategies