sabrina's haunter pokemon card Gengar (14/132) [Gym Heroes Unlimited] Captured in a crystal Sabrina's Haunter [1st Edition] #58

The second effect on its own is worth it, so you can play him in other Leaders

Its a modal spell, meaning you choose between two effects

Engle Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp

Now then, onto the proper list of the best discard commanders

Any deck that wants to cheat big creatures into play and doesn't care much about typal synergies can give this a look, as can any deck that can reuse its enters ability to get another double helping of cards to hideaway

The two commander options also have a sub-theme with your creatures having seven or more power