
Flash
You may have this creature enter as a copy of a creature an opponent controls, except it has "Other creatures with the same name as this creature are goaded." (They attack each combat if able and attack a player other than you if able.)
Mocking Doppelganger has 2 printings, first in Commander Legends: Battle for Baldur's Gate (2022). EDHREC ranks it #5,606 among Commander cards. It appears most in Jon Irenicus, Shattered One decks (2,287 on EDHREC). 1 public deck on TCG runs it. It has 6 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.