Arctic Wolves #118
Market Price
Raw
$0.19
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Card Details
Cumulative upkeep 
When this creature enters, draw a card.
“"No matter where we cat warriors go in the world, those stupid slobberers find us." —Mirri of the *Weatherlight*”
4/5
Illustrated by Steve White
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.