While it is probably good enough in a deck that is built on the theme of +1/+1 counters, outside of this very specific archetype, adding a single +1/+1 counter to a creature just isn't enough value (even at instant speed) to make me add another tapped land to my deck, especially considering that green already has five MDFCs that I really want to be playing
A 3/5 for four mana, Gwendlyn can be tapped in order to have a player of its owner's choosing discard a card at random
Mankey #56 Pokemon Japanese Jungle Keep track of your collection value over time
Featuring Cynthia, one of the Pokmon franchises most iconic female characters, the cards appeal is further amplified
With a 5 or more expensive drop Commander you can drop on turn 4 after this, you can drop this, draw a card, and start tapping for a lot of mana