Ink-Treader Nephilim is a rare Creature — Nephilim card from Guildpact (GPT), collector number 117. Current market price: $7.76 (foil $26.66), TCGplayer market prices via Scryfall.
Whenever a player casts an instant or sorcery spell, if that spell targets only this creature, copy the spell for each other creature that spell could target. Each copy targets a different one of those creatures.