Link Streamer (MP19-EN003) - 2019 Gold Sarcophagus Tin Mega Pack 1st Edition

When a Cyberse monster(s) is Normal or Special Summoned to your field while this monster is on the field (except during the Damage Step): You can Special Summon 1 "Data Token" (Cyberse/LIGHT/Level 1/ATK 0/DEF 0). You can only use this effect of "Link Streamer" once per turn.