Taking a Look at Vivien’s Arkbow

Vivien’s Arkbow looks like a fun cube card that will act in a Birthing Pod like manner. It enables the trading up of resources similar to Pod. In Birthing Pod, a creature is traded for a better creature that can be tutored. Vivien’s Arkbow does not have the tutoring ability, costs more, and has the potential to miss. However, it does gain by being instant speed and, more importantly, allows the exchange of non-creature cards into creature cards. These two factors are huge. It is improbable that the Arkbow will be a better card, certainly not in constructed where decks of sixty cards can pack many one offs and tutoring is incredibly powerful. Cube is a different story. There are less cards to go through and games play out differently. This should indicate that the power of the Arkbow will hinge on how reliable it is at finding a creature every time. The table below shows how likely it is for a creature with a converted mana cost equal to or lower than X to be found versus how many creatures in the deck satisfy that condition.

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