Elsha, Threefold Master is a mythic Legendary Creature — Djinn Monk card from Tarkir: Dragonstorm Commander (TDC), collector number 2. Current market price: $0.83 (foil $0.39), TCGplayer market prices via Scryfall.
Trample Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever Elsha deals combat damage to a player, create that many 1/1 white Monk creature tokens with prowess.