Once per turn, during the End Phase, if this effect was activated this turn (and was not negated): You can Special Summon this card from your GY
In that case, Clever Impersonator enters the battlefield as a 0/0 creature, and it's put into the graveyard immediately (unless something is raising its toughness above 0)
Secret Lair x Ghostbusters: Slimer Slimer, Voracious Apparition (The Mimeoplasm) Slimed (Trickbind) Slimers Feast (Windfall) Escape Containment (Incarceration Technique) Pernicious Deed Secret Lair x Ghostbusters: The Real Ghostbusters Careful Study Total Containment Failure (Living End) Answer the Call (Eladamris Call) Ghostbusters Patch (Boros Charm) Ecto-1 (Unlicensed Hearse) Secret Lair x Chucky Good Guys (Kardur, Doomscourge) Chucky (Kardur, Doomscourge) Sorry, JackChuckys Back (Phyrexian Reclamation) Tiffany, Bride of Chucky (Varragoth, Bloodsky Sire) Friends to the End (Twinflame) Play Pals Factory (Genesis Chamber) Secret Lair is Wizards of the Coasts outlet for committed Magic: The Gathering collectors
Base Set Charizard)
But for others, it felt like a hollow gesture that came far too late, since none of these cards were highly relevant in modern gameplay
