yugioh cards that reduce attack to 0 Can a monster with destroy another monster with 0 attack ? I Got To Ask, Why

Based on the latest market prices tracked on TCG Stacked, Darksteel Ingot is worth about $0.19 USD

The Regirock, Regice, Registeel, or Regigigas this card is attached to takes 30 less damage from your opponent's attacks (after applying Weakness and Resistance)

The pack doesn't have a serial code or anything on it, with the back being plain beyond some copyright text

The Fusion Deck is a gathering of only Fusion Monster Cards, and more information about them will be explained in Chapter 2 in the Fusion Card section

Any abilities that trigger when spells are cast will still trigger and resolve if appropriate, and any effects that count how many spells are cast will still count those spells if appropriate