At the beginning of your upkeep, put a +1/+1 counter on this creature for each card in your hand, then remove a +1/+1 counter from this creature for each card in target opponent's hand.
Not legal in Standard, Pioneer, Pauper, Historic, Timeless, Alchemy, Brawl, Standard Brawl, Pauper Commander, Gladiator, Premodern, Old School, Penny Dreadful
Notes & Rules Information
All +1/+1 counters on Descendant of Masumaro are removed, including those put on it by other effects.
(2005-06-01)
The counters are added and then removed without a pause for priority or state-based actions being checked in between.
(2005-06-01)
Descendant of Masumaro’s printed power and toughness is 1/1, so removing all the +1/+1 counters usually doesn’t reduce the creature’s toughness to 0.
