Historical Rules · 23 April 2010
Rule 118.3c
Official source text from the 23 April 2010 Rules release
Damage dealt to a creature by a source with wither causes that many -1/-1 counters to be put on that creature.
Historical Rules · 23 April 2010
Official source text from the 23 April 2010 Rules release
Damage dealt to a creature by a source with wither causes that many -1/-1 counters to be put on that creature.