As a monster, Magical Abductor also gains Counters and can pay three of them to search a Level 1 Spellcaster, for example, Magicians' Souls
It is not approved/endorsed by Wizards
Commander Tevesh Szat, Doom of Fools +2: Create two 0/1 black Thrull creature tokens
Ketramose, the New Dawn is a strong card from Aetherdrift and certainly useful even without seven exiled cards, Tasha, the Witch Queen takes instants and sorceries from your opponents like a free flashback, and Ulamog, the Defiler only cares about those cards you exiled, then uses the greatest among them as its devastating annihilator number
Riftwing Cloudskate Riftwing Cloudskate was once a heavy-hitter in Cube
If this strategy gets into the long game, then include a card like Raise the Past and get right back to attacking