El Núcleo de la Semilla (The Seedcore) (es)
Land - Sphere
: Add .
: Add one mana of any color. Spend this mana only to cast Phyrexian creature spells.
Corrupted -- : Target 1/1 creature gets +2/+1 until end of turn. Activate only if an opponent has three or more poison counters.
- [ONE] Phyrexia: All Will Be One #259 (R)