Artifact Ignition [MP15-EN034] Ultra Rare 2018 Mega-Tins or another monster's effect

or another monster's effect

Face-up cards in your Spell & Trap Zone cannot be destroyed by card effects

You can only use this effect of "Zefraxi

add 1 "Nekroz" Spell/Trap from your Deck to your hand

if this card battles an opponent's monster with an equal or lower Level (Quick Effect): You can make that opponent's monster's ATK become 0 during that damage calculation only

Artifact Ignition [MP15-EN034] Ultra Rare 2018 Mega-Tins or another monster's effectSet: 2015 Mega Tins Mega Pack Card type: Quick Play Spell Rarity: Ultra Rare Target 1 Spell Trap Card on the field; destroy that target, and if you do, Set 1 "Artifact" monster directly from your Deck to your Spell & Trap Card Zone as a Spell Card. If this card in its owner's possession is destroyed by an opponent's card: Your opponent skips their next Battle Phase. (You must have an "Artifact" monster in your Main Deck to activate this card.)