Magic: the Gathering - Datenbank

Cumulative upkeep—Put a -1/-1 counter on Aboroth. [i](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.)[/i]  The Weatherlight banked sharply as the colossal beast rose up to crush the lone rider. "My bet's on the dirt," Gerrard said flatly.