It could suddenly take forty or more damage to kill you, and until you get close to dead you won't be in that much trouble
Vorinclex, Monstrous Raider, Sword of Hours, Fractal Harness, and Evolution Sage all work to keep the engines running
too low and you run out of impactful plays
Outside of dedicated defender and toughness-matters decks, Wall of Roots also sees play in counters decks like Tayam, Luminous Enigma and Falco Spara, Pactweaver

A comprehensive breakdown can be found here: The Different Rarity Symbols in Pokemon Card Sets Explained , but a brief summary: Common Japan designation: C image429599 44.3 KB image250250 1.16 KB Uncommon Japan designation: U image429599 46.4 KB image250250 726 Bytes Rare (Holo) Japan designation: R image660920 111 KB image250250 1.34 KB Double Rare (standard ex) Japan designation: RR image429599 58.4 KB image250250 2.3 KB Ultra Rare (generic full arts) Japan designation: SR (super rare) image430599 51.9 KB image250250 2.3 KB Hyper Rare (gold cards) Japan designation: UR (ultra rare) image660920 137 KB image250250 2.85 KB As for before Scarlet and Violet, the above is basically the same, except english did not have the updated star system for cards beyond ultra rares Note on Rainbow Rares The Japan HR or Hyper Rare rarity referred mostly to Rainbow cards
It's impressively simple, essentially a one-sided Furance of Rath but with the added upside of being a flying body