That might sound like a drawback, but with a little deckbuilding finesse, it becomes a win condition
However, for this one, the Oracle text is even more precise: Target player discards two cards, then draws as many cards as they discarded this way
In some ways, the deck almost feels like a Standard precon: you just play all of the decent Chocobos and back it up with a handful of older Bloomburrow Birds and a touch of removal, and the end result is an oddly powerful deck
Anyway, the Wisp was great, it was Blacks defense against all the big flyers out there in the other colors, just save one Black Mana for regeneration and the Wisp lives to regenerate another turn
III - Until end of turn, another target creature you control gains trample and gets +X/+X, where X is the number of lands you control