Vexing Sphinx

Creature - Sphinx 4/4, 1UU (3)
Flying
Cumulative upkeep-Discard a card. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When Vexing Sphinx is put into a graveyard from play, draw a card for each age counter on it.¹
Illus. Lars Grant-West

Crystal Keep Rulings Summaries

• Note - Also see Cumulative Upkeep, Rule 502.13.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Coldsnap (Rare)