Stadium Headliner - 122s R PTDM Foil

Mobilize 1 (Whenever this creature attacks, create a tapped and attacking 1/1 red Warrior creature token. Sacrifice it at the beginning of the next end step.)
{1}{R}, Sacrifice this creature: It deals damage equal to the number of creatures you control to target creature.

rare
Creature — Goblin Warrior
From the Magic: The Gathering set Tarkir: Dragonstorm Promos.