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Card Details
Cumulative upkeep 
Whenever this creature's cumulative upkeep is paid, it gets +1/+0 until end of turn for each 
or 
spent this way.
3/5
Illustrated by Dave Kendall
Rulings (1)
Oct 1, 2008
Paying cumulative upkeep is always optional. If it's not paid, the permanent with cumulative upkeep is sacrificed. Partial payments of the total cumulative upkeep cost can't be made. For example, if a permanent with "cumulative upkeep " has three age counters on it when its cumulative upkeep ability triggers, it gets another age counter and then its controller chooses to either pay 
or sacrifice the permanent.