Alela, Artful Provocateur (BRC 119)

Legendary Creature — Faerie Warlock • Mana cost: {1}{W}{U}{B} • The Brothers' War Commander • Mythic

Flying, deathtouch, lifelink
Other creatures you control with flying get +1/+0.
Whenever you cast an artifact or enchantment spell, create a 1/1 blue Faerie creature token with flying.

Illustrated by Grzegorz Rutkowski.