The Seedcore

Land — Sphere - (rare)

: 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.

Price

cardkingdom 0.69

tcgplayer 0.66