Eye of Ojer Taq // Apex Observatory Set_Wilds Of Eldraine Commander counter it if a card

counter it if a card with the same name is in a graveyard or a nontoken permanent with the same name is on the battlefield

The icing on the cake (or the chip on the circuit board - whatever the Necron equivalent of cake is) is that

When Champion of Dusk enters the battlefield

You may cast a spell with an equal or lesser mana value from your hand without paying its mana cost

Eye of Ojer Taq // Apex Observatory Set_Wilds Of Eldraine Commander counter it if a cardEye of Ojer Taq Artifact : Add one mana of any color. Craft with two that share a card type (, Exile this artifact, Exile the two from among other permanents you control and or cards from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.) Apex Observatory Artifact Apex Observatory enters the battlefield tapped. As it enters, choose a card type shared among two exiled cards used to craft it. : The next