01Spell Proof Armor

[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.

Type

Skill - Keith

Monster type

Keith

Ban list (TCG)

Unlimited