Infernal Spawn of Infernal Spawn of Evil
Creature — Demon Child
Flying, first strike, trample
Once each turn, while you're searching your library, you may pay 
, reveal this card from your library and say "I'm coming, too" If you do, this card deals 2 damage to a player of your choice.
Ron Spencer
Unhinged (UNH)
• #57Rulings
If you have multiple copies in your library while searching it, you may reveal all of them, provided you can pay the {1}{B} for each of them.
(wotc • 2020-02-29)
Infernal Spawn of Infernal Spawn of Evil doesn't itself allow you to search your library. You must have another spell or ability that instructs you to search it.
(wotc • 2020-02-29)
If you search your library multiple times in the same turn, each Infernal Spawn of Infernal Spawn of Evil in that library can be revealed once that turn. You may reveal multiples to prove you have multiples.
(wotc • 2020-02-29)
You can reveal Infernal Spawn of Infernal Spawn of Evil any time while searching your library before you shuffle it.
(wotc • 2020-02-29)
Rulings
If you have multiple copies in your library while searching it, you may reveal all of them, provided you can pay the {1}{B} for each of them.
(wotc • 2020-02-29)
Infernal Spawn of Infernal Spawn of Evil doesn't itself allow you to search your library. You must have another spell or ability that instructs you to search it.
(wotc • 2020-02-29)
If you search your library multiple times in the same turn, each Infernal Spawn of Infernal Spawn of Evil in that library can be revealed once that turn. You may reveal multiples to prove you have multiples.
(wotc • 2020-02-29)
You can reveal Infernal Spawn of Infernal Spawn of Evil any time while searching your library before you shuffle it.
(wotc • 2020-02-29)