This means Lands, Artifacts, Planeswalkers, Enchantments, and, of course Creatures
Of course, there are a few ways to speed up the process, like using proliferate or cards like Coretapper that allow you to add more counters to Darksteel Reactor
True-Name Nemesis cant grind card advantage the same way that Knight of the Reliquary does, but theres a lot to be said for ramping into a creature that cant be targeted and Knight of the Reliquary has a tendency to get hit by Swords to Plowshares and Submerge fairly often
Youll have to take awake its menace trigger, but that matters less if youre returning this ninja to your hand with Walker of Secret Ways or running proliferation
This result is refreshing, and I would rank the Pro Slayers among the most durable sleeves for shuffling
A fine Limited two-drop, but way too low-impact for Commander