If the creature you control is a legal target but the other target isn't, your creature will still deal damage to itself
If he is unharmed, you can instead draw a card
1 Kit Cloudkicker, Tough Guy Turn The Tempo Up A Notch Tempo isnt an archetype thats discussed as often as the likes of Aggro or Control, but its nevertheless a crucial part of the Lorcana ecosystem
Gogo, Master of Mimicry While unlikely to light up competitive tables, Gogos unique ability to mass copy an ability suggests a powerful card in commander and casual formats, while having a decent enough body
Cards that take too much damage are banished, though any damage sustained during a challenge remains until a card effect removes it
So go ahead, turn your whole board into Villains and let Mysterio do his thing