Since they control it, they view the card as weaker, which means it stays out for longer
This two-drop 0/1 flying Bird Pirate cannot block, and then when you deal combat damage to a foe with a Pirate, you explore here once for all of the damage dealt, and then that's just once per combat step unless you have one with double strike or at least two dorks one with first strike and one without
And he's a Commander Staple, but his card draw ability doesn't help other permanents in your brew
In limited, you have enough Lander tokens floating around to repeatedly double somethings' power, but in constructed and Commander, this slots nicely into the endless parade of fetchlands, extra lands, and land recursion that already make land decks an absolute beast to play against
After some testing of this card, I can report that it is simply worse than Mana Short
There are other more complex ways to break this, which is kind of weird