Number 1: Numeron Gate Ekam

XYZ Monster · Machine · LIGHT · ★1

ATK 1000/DEF 100

“3 Level 1 monsters Cannot be destroyed by battle. At the end of the Damage Step, if this card battled an opponent's monster: You can detach 1 material from this card; double the ATK of all "Numeron" monsters you currently control, until the end of this turn.”