Materiactor Critical (SUDA-EN074) [Supreme Darkness]

When a Spell/Trap Card, or monster effect, is activated: Add 1 of your materials from a "Materiactor" Xyz Monster you control to your hand, and if you do, negate the activation, then apply the following effect based on the card type added.<br>• Monster: Place 1 card from your hand on the bottom of the Deck.<br>• Spell: "Materiactor" Xyz Monsters you control gain 1000 ATK.<br>• Trap: You can Set that added card.<br>You can only activate 1 "Materiactor Critical" per turn.