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.
Ink-Treader Nephilim's ability will trigger off a spell with multiple targets if all of those targets are Ink-Treader Nephilim. For example, Seeds of Strength cast with Ink-Treader Nephilim as each of the three targets will cause the ability to trigger.
2006-02-01
wotc
Ink-Treader Nephilim's ability is mandatory and will create a copy targeting each possible creature whether you want it to or not. You control all the copies of the spell (even if you didn't control the original spell), so you choose the order to put them on the stack.
2006-02-01
wotc
Even though you control the copies, the ability cares about who cast the original spell when determining which other creatures that spell could target. If the original spell has a targeting restriction that refers to "an opponent," the copies will see that from the perspective of the original spell's controller. For example, if your opponent casts a spell that says "Destroy target creature an opponent controls" targeting your Ink-Treader Nephilim, its ability will create a copy for each other creature the original spell could target: the rest of your creatures. However, since you control the copies, all the copies won't resolve for having illegal targets.
Format Legality
Standard
Not Legal
Future
Not Legal
Historic
Not Legal
Timeless
Not Legal
Gladiator
Not Legal
Pioneer
Not Legal
Modern
Legal
Legacy
Legal
Pauper
Not Legal
Vintage
Legal
Penny
Legal
Commander
Legal
Oathbreaker
Legal
Standardbrawl
Not Legal
Brawl
Not Legal
Alchemy
Not Legal
Paupercommander
Not Legal
Duel
Legal
Oldschool
Not Legal
Premodern
Not Legal
Predh
Legal
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