![Evo Beta Base Arms (Blue) (Regular) [PEN070] (Compendium of Rathe)](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780991973/evo-beta-base-arms-blue-regular-pen070-compendium-of-rathe.webp)
| Set: | Compendium of Rathe |
| Finish: | Regular |
| Type: | Action;Equipment |
| Subtype: | Evo;Base;Arms |
| Rarity: | Rare |
| Class: | Mechanologist |
If you have a base arms equipped, transform it into this, then equip this. (Put it under this.)Evo arms cost you [1 – Resource] less to play.Battleworn (When the combat chain closes, if this defended, put a -1DEFENSE counter on it.)
![Savage Claw [GEM107] (GEM Pack 4) Cold Foil](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780988190/savage-claw-gem107-gem-pack-4-cold-foil.webp)
![Jittery Bones (Blue) [SEA070] (High Seas) Rainbow Foil](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780988508/jittery-bones-blue-sea070-high-seas-rainbow-foil.webp)
![Bolt'n Boots [SAZ008] (GEM Pack 2)](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780988543/bolt-n-boots-saz008-gem-pack-2.webp)
![Unmovable (Blue) (Regular) [SEN030] (GEM Pack 2)](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780988318/unmovable-blue-regular-sen030-gem-pack-2.webp)
![Night's Embrace [SAR031] (GEM Pack 2)](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780988376/night-s-embrace-sar031-gem-pack-2.webp)
![Look Within (Blue) (Regular) [PEN273] (Compendium of Rathe)](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780988495/look-within-blue-regular-pen273-compendium-of-rathe.webp)
![Mistborn Protector (Blue) (Regular) [PEN271] (Compendium of Rathe)](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780988519/mistborn-protector-blue-regular-pen271-compendium-of-rathe.webp)
![Challenge the Alpha [SUP129] (Super Slam) Rainbow Foil](https://www.playmtgsingle.com/wp-content/uploads/2026/06/1780988503/challenge-the-alpha-sup129-super-slam-rainbow-foil.webp)