Artifact Creature — Construct 4/4, 4 (4)
Uncommon (U3)
When Su-Chi dies, add {4} to your mana pool.
Flawed copies of relics from the Thran Empire, the Su-Chi were inherently unstable but provided useful knowledge for Tocasia's students.
Illus. Christopher Rush

10/1/2009: You get the mana whether you want it or not. If you don't spend it, it will disappear at the end of the current step (or phase).
Official Reprint Policy (This card is on the reserved list)
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander