Demonic Tutor [Unlimited Edition] Hidden Arsenal 3 if this cards attacks a

if this cards attacks a Defense Position monster

Set: Magic 2012 Type: Artifact Creature — Golem Rarity: Rare Cost: {4} When Solemn Simulacrum enters the battlefield

Set: Sword & Shield: Evolving Skies Type: Lightning Rarity: Rare Retreat cost: Colorless

Set: Tournament Pack 2 Card type: Ritual Spell Rarity: Rare Attack: 0 Defense: 0 This card is used to Ritual Summon "Dokurorider"

Set: Amonkhet Type: Creature — Human Druid Rarity: Rare Cost: {1}{G} When Channeler Initiate enters the battlefield

Demonic Tutor [Unlimited Edition] Hidden Arsenal 3 if this cards attacks aSet: Unlimited Edition Type: Sorcery Rarity: Uncommon Cost: {1}{B} Search your library for a card, put that card into your hand, then shuffle.