See Red - Rivals of Ixalan - 112

Enchantment — Aura

Mana Cost: {1}{R}

Enchant creature
Enchanted creature gets +2/+1 and has first strike.
At the beginning of your end step, if you didn't attack with a creature this turn, sacrifice this Aura.

Uncommon · Rivals of Ixalan · #112 (RIX)

Illustrated by Steve Prescott