Mugwump
From Archon Arcana - The KeyForge Wiki
Mugwump • Brobnar • Creature • Rare • After an enemy creature is destroyed fighting Mugwump, fully heal Mugwump and give it a +1 power counter. • Artist: Nicholas Gregory • Card Number: CotA:042, AoA:044, WC:043, VM2023:015, VM2024:015
Commentary
Regardless if Mugwump was the attacker in a fight, if Mugwump survives a fight, its ability will resolve.
Source: Timing Chart•Fight