| Spell Proof Armor | |
| Type: | Skill |
| Sub-Type: | Keith |
| Skill Activation: | Flip this card over when you activate this Skill. |
| Effect: | Activate this Skill during your Main Phase. All Machine monsters you control are unaffected by your opponent's Spell effects. You can Normal Summon Machine Normal Monsters with 1 less Tribute. If a non-Machine monster is in your GY, flip this Skill over. This Skill can only be used once per Duel. |
| Printings |
Speed Duel: Scars of Battle (SBSC-ENS02) -
2019-08-02 |