Can you tell me what the heck a Vashta Nerada is

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It's going to be challenging enough just fitting in all the ramp, removal, card draw, and board wipes that will be needed to make a halfway functioning deck
have Rule Boxes.) Jet Energy As long as this card is attached to a Pokmon, it provides [C] Energy
instead they give you some kind of minor creature buff on top of drawing you a card