Gruul can also be good at dropping a lot of creatures onto the board at once
Enchanted versions will carry a premium early in the set cycle
I think any card that lets you remove your opponent's characters before they have a chance to quest with them or get any value out of their abilities is going to see play
Thankfully both Wilt and Natures Claim will also take care of Void Mirror and Damping Sphere, which arent in sideboards specifically for Tron, but have some potential to come in
Ashiok, Nightmare Muse Following the release of Ob Nixilis Reignited, there was a design slump of nonstop 5-mana planeswalkers with the same basic design: +1 for card advantage, -3 for disruption, and a game-winning ultimate
Though building the skeleton of such a deck is pretty easy: just go to Gatherer on the Wizards home page and search for the Golgari watermark and you get plenty of card choices