Portfolio mode tracks what your collection is worth in real time, and the card catalog shows which cards you still need to finish a set
Therefore, unless the deck specifically needs the Merfolk type or the ability to cast the creature from exile, there are better options available that could potentially be more impactful in a mill deck
It is weighted heavily towards two and three-cost so that you can play multiple cards each turn and have more opportunities to build your board while bouncing other cards back to your hand
Even if the opponent has a full field, it becomes as if though they have only one monster, allowing you to slow them down, sparing your Life Points, lessening the impact of poor topdecks, and keeping your resource levels high
Once you cast one half, the card will then move to the graveyard like any other instant or sorcery, and it will only count as a single spell when in the graveyard
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