Emry, Lurker of the Loch [Throne of Eldraine Prerelease Promos] Commander's Arsenal "why did Urza build it

"why did Urza build it to be like me

When the chosen player is attacked or becomes the target of a spell or ability

Set: Commander 2014 Type: Artifact Rarity: Rare Cost: {2} Red spells you cast cost {1} less to cast

"I wrecked your metal guy

Set: Mirrodin Type: Artifact Rarity: Rare Cost: {3} Imprint — When Extraplanar Lens enters the battlefield

Emry, Lurker of the Loch [Throne of Eldraine Prerelease Promos] Commander's Arsenal "why did Urza build itSet: Throne of Eldraine Prerelease Promos Type: Legendary Creature Merfolk Wizard Rarity: Rare Cost: {2}{U} This spell costs {1} less to cast for each artifact you control. When Emry, Lurker of the Loch enters the battlefield, mill four cards. {T}: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)