Quasiduplicate

Izzet League Spell
Level 3 (?)
Casting Time: 1 Action
Duration: 1 Minute (Concentration) (?)
Range: Self
Create a duplicate of yourself in a space right next to you, this creature has all of your stats except for HP which is replaced by 3 hit Counters. When you do cast this spell, designate Attack, Spell, Hinder, or Help.
If you designated Attack, this creature can only take the attack action. Their attacks are an attack that you could make.
If you designated Spell, this creature can only take the Spell Cast action and they can only use Cantrips that you know how to use.
If you designated Hinder, this creature can only use their action to restrain or otherwise make it easier to hit a target or stop them from doing what they're doing.
If you designated Help, this creature can only use the Help action to do various things from stabilizing downed allies to assisting with an ability check.