Exosister is a deck originally released in The Grand Creators (GRCR), the same set that launched the Adventurer and P.U.N.K. archetypes. The archetype focuses on punishing your opponent for using their graveyard, an action that almost every modern deck must perform. Every main deck monster has an effect that triggers when your opponent moves a card from either graveyard and allows them to xyz summon an "Exosister" xyz monster, using only themselves as material. Those who played during the 2017 RATE and MACR formats might remember just how strong the concept of a one-card xyz summon is.
In addition, every rank four xyz monster has two effects: one that triggers on the turn they are summoned, and one that requires them to detach a material. For example,

Unfortunately, despite such a powerful design philosophy, Exosister was the black sheep of the three GRCR archetypes. Adventurer formed a strong engine that still sees widespread meta use, and P.U.N.K. saw niche play in the meta before exploding in popularity and viability with the release of
The New Arrivals
Exosister receives two new cards in Power of the Elements. The most important of these by far is their newest main-deck monster,

Martha is a highly efficient starter for the deck and represents immediate access to any of the Exosister xyz monsters. In addition to this, Martha also has an important distinction compared to the other main-deck monsters. While other Exosister monsters such as
The second new and exciting Exosister card from Power of the Elements is

Returnia is a powerful disruption trap that synergizes with both the main-deck Exosister monsters' and
It is worth noting that while the deck receives a massive boost from these two new cards, they are not the only plays the deck has available. While an
Meta Impact
While these new cards are undoubtedly powerful, an important question remains: Will these cards allow Exosister to break into meta contention? While it's impossible to answer that question with absolute certainty, there is promise. Exosister has seen continued success as the third or fourth best deck in the OCG through the relentless onslaught of Spright and Tearlament. There are two primary reasons for this. First, the deck has a large amount of free space due to how compact the engine is thanks to Exosister Martha being a one-card starter. This means they can pack a large amount of hate for Sprights to ensure a better matchup.
Second, Tearlament has a very hard time playing into a board of Exosisters. Not only does Exosister have a multitude of ways to floodgate Tearlaments, but the Tearlaments monsters will also trigger the main-deck Exosisters monsters' effect to xyz summon. In addition, Exosister has the ability to main deck
Not everything is in Exosister's favor, however. Factors that exist in the TCG but not the OCG could lead to Exosister not seeing the same success here. A more powerful existing meta composed of Swordsoul, P.U.N.K., and Despia may mean that the environment is more varied than the two-deck format the OCG experienced. This would damage Exosister's chances as an anti-meta strategy, as they could not play as much targeted hate for Spright. In addition, the more fast-paced deck building caused by the lack of
Decklist
Here is a sample list to help you start playing the deck.
| Main Deck | Extra Deck | Side Deck |
|---|---|---|
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While this list is a good baseline, keep in mind that Exosister is ultimately an anti-meta deck. It will be built to beat whatever becomes dominant in the TCG, and as a result, the staples and side deck will change with the format.
There are some other considerations for the core of the deck too.
Conclusion
Exosister has a lot going for it, and the deck shows immense promise in the upcoming format. A powerful new starter and disruption tool may be the push the deck needed to break into tiered play. Still, the faster-paced and possibly more varied meta of the TCG may leave Exosister continuing to struggle here. Only time and a lot of testing will tell whether Exosister can conquer their demons or be left in the dark recesses of rogue viability.
Opinions expressed in this article are those of the author, not of Cardmarket.
