Littjara Mirrorlake [Streets of New Capenna Commander] EX23-13 choose one that hasn't been

choose one that hasn't been chosen:

000 Type: Legendary Artifact Creature — Necron Rarity: Rare Cost: {2}{B} Secrets of the Soul — {T}

While this card is equipped to a monster: You can target 1 "Magistus" card in your Spell & Trap Zone and 1 Spell/Trap your opponent controls

The front includes contrasting images of Count Strahd von Zarovich while the back provides maps for Castle Ravenloft and surrounding Barovia

Littjara Mirrorlake [Streets of New Capenna Commander] EX23-13 choose one that hasn't beenSet: Streets of New Capenna Commander Type: Land Rarity: Uncommon Littjara Mirrorlake enters the battlefield tapped. {T}: Add {U}. {2}{G}{G}{U}, {T}, Sacrifice Littjara Mirrorlake: Create a token that's a copy of target creature you control, except it enters the battlefield with an additional +1 +1 counter on it. Activate only as a sorcery.