Su-Chi

Artifact Creature - Construct 4/4, 4 (4)
When Su-Chi is put into a graveyard from the battlefield, add {4} to your mana pool.¹
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

Gatherer Card Rulings [Nov 2009]

• 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).

Format Legality	Legal in Vintage, Legacy, MTGO Classic Banned in Extended, Standard
Printings (2/2)	Antiquities (Uncommon (C4)) MTGO Masters Edition (Rare)