Susur Secundi, Void Altar is a mythic Land — Planet card from Edge of Eternities (EOE), collector number 284. Current market price: $7.57 (foil $9.39), TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Add {B}. Station (Tap another creature you control: Put charge counters equal to its power on this Planet. Station only as a sorcery.) 12+ | {1}{B}, {T}, Pay 2 life, Sacrifice a creature: Draw cards equal to the sacrificed creature's power. Activate only as a sorcery.