Plumecreed Mentor
{1}{W}{U}
Creature — Bird Scout
Oracle Text
Flying
Whenever this creature or another creature you control with flying enters, put a +1/+1 counter on target creature you control without flying.
Watch Out
ETB trigger, not a cast triggerRules Note
This card's ability triggers when it enters the battlefield, not when it's cast. Effects that double ETB triggers (like Panharmonicon) work here. Countering the spell prevents the creature from entering, so the ETB won't fire.