Spellskite Spellskite is a must-include on this list, and I think it would be wrong to rank it any lower
Add just a little recursion like Crucible of Worlds, Icetill Explorer, even an Echoing Deeps and this can establish lots of land-based combos
Here, the Mono-Green deck looks to curve out first and foremost, and while it can grind, it does so in more unique ways
A Commander deck is way more midrangey than a Standard or Modern deck, and so tripling the damage of four-, five- or six-drop creatures in a 40-life format is roughly equivalent to amplifying one- and two-drops in a 20-life format
Phasing things out is a great way to protect permanents from being removed, but it can also have some strange interactions
Many Angel builds lean into lifegain too, so this is a natural fit