Phyrexian Plaguelord is a rare Creature — Phyrexian Carrier card from Commander 2015 (C15), collector number 131. Current market price: $0.22, TCGplayer market prices via Scryfall.
{T}, Sacrifice this creature: Target creature gets -4/-4 until end of turn. Sacrifice a creature: Target creature gets -1/-1 until end of turn.