In other words, in the Magic multiverse, it's a pretty big deal
Turning your field of artifacts into a board of actual combat threats has been a tried-and-true strategy for artifact decks ever since Karn, Silver Golem, and Dance of the Manses take on this classic effect can feel like you just pulled a Rise of the Dark Realms out for 8 mana
Defeating Pokemon at an opposing Teams Gym will lower the Gyms Prestige and Level
If either the opponent or the permanent you control becomes an illegal target by the time Iroh's second ability resolves, the ability does nothing and you cannot choose to have the opponent gain control of the permanent
5/5 Illustrated by Johnny Craig Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
It also costs three mana if you dont sacrifice a legendary creature, but again were going for flexibility