Curious Obsession - Rivals of Ixalan - 35

Enchantment — Aura

Mana Cost: {U}

Enchant creature
Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may draw a card."
At the beginning of your end step, if you didn't attack with a creature this turn, sacrifice this Aura.

Uncommon · Rivals of Ixalan · #35 (RIX)

Illustrated by Daniel Ljunggren