mtg treefolk cards Token (x/x - Reach) by Peter Mohrbacher (Then exile this card Subtype: treefolk, Colors: Black, 8

When the opportunity cost is that low (the real cost is playing that many basics in the first place), theres a cap on how powerful the rewards can be and how compelling the interaction points are in games that involve it

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)

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

Players can attack with multiple creatures at once

Keep it friendly