Modern mechanics like Indestructible, Shield Counters, and Death-and-Return effects (i.e., Supernatural Stamina) are all much more intuitive to understand at a glance
If you're exiling permanents you control to craft, keep in mind that you can exile tokens, but be careful
You can have 100 life and still lose after taking 21 points from the same Commander
If you do, double target creature's power until end of turn
When I see Ravager Wurm, I see a strong anti-control option, but the natural fear with six-mana spells is that they can simply be countered so its only natural to pair Rhythm of the Wild and Ravager Wurm
Thanks to Burning-Tree Emissary, we can potentially be casting Embercleave for just two mana as early as Turn 3, which should be pretty frightening for opponents