Wall of Nets [Exodus] Arkhos If it's a Mechanologist item

If it's a Mechanologist item card with cost 0

Set: Visions Type: Enchantment Rarity: Uncommon Cost: {2}{B} You may cast Necromancy as though it had flash

but they're easy to catch

Set: HeartGold & SoulSilver: Call of Legends Type: Fire Rarity: Promo

And many of the devils We also made obedient to him

Wall of Nets [Exodus] Arkhos If it's a Mechanologist itemSet: Exodus Type: Creature Wall Rarity: Rare Cost: {1}{W}{W} Defender (This creature can't attack.) At end of combat, exile all creatures blocked by Wall of Nets. When Wall of Nets leaves the battlefield, return all cards exiled with Wall of Nets to the battlefield under their owners' control.