Thousand-Faced Shadow

Feb 18, 2022 · Any enters-the-battlefield abilities of the copied creature will trigger when the token enters the battlefield. Any “As [this creature] enters the battlefield” or “[This creature] enters the battlefield with” abilities of the copied creature will also work.

Feb 18, 2022 · Although the Ninja is attacking, it was never declared as an attacking creature (for purposes of abilities that trigger whenever a creature attacks, for example).

Feb 18, 2022 · The token copies exactly what was printed on the original creature and nothing else (unless that permanent is copying something else or is a token; see below). It doesn't copy whether that creature has any counters on it or Auras and/or Equipment attached to it, or any non-copy effects that changed its power, toughness, types, color, and so on. Notably, it doesn't copy any effects that may have turned a noncreature permanent into a creature. If the token isn't a creature as it enters the battlefield, it won't be attacking.

Feb 18, 2022 · If the copied creature had {X} in its mana cost, X is 0.

Feb 18, 2022 · If the copied creature is a token, the token created by Thousand-Faced Shadow copies the original characteristics of that token as stated by the effect that put it onto the battlefield.

Feb 18, 2022 · You choose which opponent or opposing planeswalker the token is attacking as you put it onto the battlefield. It doesn't have to be the same player or planeswalker Thousand-Faced Shadow is attacking. (Remember that the rules for ninjutsu specify that a creature that enters the battlefield attacking because of a ninjutsu ability attacks the same player or planeswalker the returned unblocked creature was.)

Feb 18, 2022 · Puff of smoke not included.