A Mardu list for example is often spoiled for choice as struggles to fit all the good stuff in
Lurking Predators: A mid to late game play, even in Commander
Of note, this card does not exile itself when it gets destroyed, so you can always attempt to reuse it again later
You found yourself playing against someone elses tribal deck and decided you wanted to try it out or you just noticed that you had a lot of Goblins and wondered if a deck made up of just Goblins would work
Danny Pink is also a good draw engine that can work well with the Spider-Man 2099 and Lyla, Holographic Assistant combo, generating a lot of counters from drawing more cards
Legendary Creature - Elf Noble owyn, Lady of Rohan At the beginning of combat on your turn, target creature gains your choice of first strike or vigilance until end of turn