The Seedcore - Phyrexia: All Will Be One - 259

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.

Rare · Phyrexia: All Will Be One · #259 (ONE)

Illustrated by Kasia 'Kafis' Zielińska