The Battlefield

Pitiless Plunderer
Reassembling Skeleton
Sifter of Skulls
Viscera Seer
AI DraftFeb 26, 2026

Pitiless Plunderer + Reassembling Skeleton + Sifter of Skulls + Viscera Seer

Overview
If you sacrifice Reassembling Skeleton (to Viscera Seer or otherwise), its death will cause Pitiless Plunderer and Sifter of Skulls to trigger (Pitiless creates a Treasure; Sifter creates a 1/1 Eldrazi Scion) after state-based actions are checked and triggers are put on the stack . You may activate Reassembling Skeleton’s graveyard ability to return it to the battlefield tapped because that activated ability functions only in the graveyard . Sacrificing the Scion will itself cause Pitiless Plunderer to trigger again (Sifter won’t trigger for token deaths), so the usual loop is: sac Skeleton → get Treasure + Scion → sac Scion to Viscera Seer → get another Treasure → you may pay {1}{B} (for example by sacrificing Treasures) to return Skeleton from the graveyard . Pitiless will trigger for each creature that dies, including tokens and multiple simultaneous deaths as described in Ruling [2018-01-19], and all relevant triggered abilities are handled after state-based actions are checked .
Step 1
You activate Viscera Seer’s sacrifice ability (sacrifice a creature: Scry 1) targeting nothing; as a cost you sacrifice Reassembling Skeleton, putting it into your graveyard. The act of it being put into the graveyard from the battlefield is the event that some triggered abilities watch for, so state-based actions are checked and then the triggers caused by its death are placed on the stack .
Step 2
Because Reassembling Skeleton was a nontoken creature you controlled, Sifter of Skulls sees “another nontoken creature you control dies” and its triggered ability is generated; Pitiless Plunderer sees “whenever another creature you control dies” and its triggered ability is also generated. Both triggers are placed on the stack after state-based actions are checked .
Step 3
When those triggered abilities resolve you create a 1/1 colorless Eldrazi Scion token from Sifter of Skulls and a Treasure token from Pitiless Plunderer. (If multiple creatures died simultaneously, Pitiless would trigger for each dead creature as noted in Ruling [2018-01-19].) Ruling [2018-01-19].
Step 4
You may now sacrifice the Scion token to Viscera Seer (sacrifice a creature: Scry 1). When the Scion is sacrificed it dies (it’s a token put into the graveyard and ceases to exist, but the event of it dying still caused Pitiless’s trigger when it was put into the graveyard), so Pitiless Plunderer triggers again and will create another Treasure when that trigger resolves. Sifter does not trigger from the Scion because Sifter cares about nontoken creatures.
Step 5
While the Skeleton is in your graveyard you are allowed to activate Reassembling Skeleton’s ability because that activated ability functions from the graveyard . To pay {1}{B} you can sacrifice Treasures to produce the needed mana ({T}, Sacrifice: Add one mana of any color), or use other mana sources.
Step 6
When you pay {1}{B} and return Reassembling Skeleton from your graveyard to the battlefield, it returns as a new object and enters the battlefield tapped. Previously created triggers and tokens are unaffected by that return; the triggers that resulted from the Skeleton’s earlier death still resolve and produce the tokens described above.
Step 7
If you use both Treasures generated in the cycle to pay Reassembling Skeleton’s {1}{B}, you end the cycle with the Skeleton back on the battlefield and no net Treasure gain. Any net mana or Treasure gain requires external mana or resources beyond the cards listed.
Resolution
Sacrificing Reassembling Skeleton to Viscera Seer puts the Skeleton into your graveyard and causes Pitiless Plunderer and Sifter of Skulls to trigger; those triggers are placed on the stack after state-based actions are checked . You may activate Reassembling Skeleton’s ability from the graveyard to return it tapped because that ability functions in the graveyard . When the Scion token created by Sifter dies (for example, sacrificed to Viscera Seer), Pitiless triggers again (Sifter does not trigger for token deaths). The cycle does not create infinite mana by itself because the two Treasures created by the cycle are ordinarily spent to pay Reassembling Skeleton’s {1}{B} activation; any net mana gain requires additional external mana sources. Pitiless triggers for each creature that dies, including multiple simultaneous deaths, as noted in Ruling [2018-01-19], and all triggers are put on the stack after state-based actions are checked .
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