Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card from a graveyard onto the battlefield under your control.
: Target player loses 3 life unless they sacrifice a nonland permanent of their choice or discard a card.
: Untap Tergrid's Lantern.
Force opponents to sacrifice and discard permanents, then steal everything they give up via Tergrid's static ability. You spend the early game ramping into mass discard and edict effects, then snowball an overwhelming board of your opponents' best creatures, lands, and artifacts. The game ends once you've stolen enough resources that nobody can fight back.
Turns symmetrical sacrifice and discard effects into one-sided card advantage and board dominance
Steals permanents at no extra cost, including bombs you'd never otherwise access
Mono-black gives consistent tutors, ramp, and recursion
The Lantern back side provides a built-in repeatable discard/sacrifice engine even from the command zone
Tergrid's ability does nothing against token sacrifice or instant/sorcery discard
Heavily hated out and frequently targeted with removal the moment she lands
Mono-black struggles with enchantment and noncreature permanent removal
Can be slow to set up and offers little if forced sacrifice/discard pieces are answered