Millicent, Restless Revenant is a mythic Legendary Creature — Spirit Soldier card from Crimson Vow Commander (VOC), collector number 39. Current market price: $1.56, TCGplayer market prices via Scryfall.
Affinity for Spirits (This spell costs {1} less to cast for each Spirit you control.) Flying Whenever Millicent or another nontoken Spirit you control dies or deals combat damage to a player, create a 1/1 white Spirit creature token with flying.