Nyalla Li, the Planeshifter

Flanking, Prowess, Undying 1
Partner with Nightbane and Sorcerers.
When Nyalla Li, the Planeshifter enters the battlefield create a 3/2 Legendary Demon Cat Creature token with Double Strike named
Thalliah onto the battlefield.
{w/u}{u/b}: Nyalla, Thalliah, and up to one additional Nightbane, Nightmare, or Sorcerer gain +1/+2,
Flying and Ward {2} until end of turn.