The Seedcore (PONE) #259s [EN/F]

Land — Sphere · {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast Phyrexian creature spells. Corrupted — {T}: Target 1/1 creature gets +2/+1 until end of turn. Activate only if an opponent has three or more poison counters. · Illustrated by Kasia 'Kafis' Zielińska · Phyrexia: All Will Be One Promos #259s · EDHREC rank 5707 · Magic: The Gathering, MTG