If another creature you control has -1/-1 counters on it when it dies, Buzzard-Wasp Colony's ability will include those as well. This may result in Buzzard-Wasp Colony dying.
Buzzard-Wasp Colony
You may end up putting the appropriate counters on more than one permanent. For example, if you control two Buzzard-Wasp Colonies when a creature dies, you'll put the appropriate number of each kind of counter onto both of them.
If enough -1/-1 counters are put on a creature you control at the same time to make its toughness 0 or less, Buzzard-Wasp Colony's last ability will see all of the +1/+1 counters it had when it died as well as the -1/-1 counters it had, and an equal number of each of those types of counters (plus any other applicable counters) will be put onto Buzzard-Wasp Colony.
Magic: The Gathering · ™ & © Wizards of the Coast · Illus. Thomas Chamberlain-Keen
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