Ire, Zalasri and Enrea

Flying
When this creature enters the battlefield, search
your library for a Faerie or Rogue card, reveal it
and put it into your hand. Shuffle your library.
{t}: Gain control of target creature. Activate this ability only if you control seven or more Rogues.
"The three always mean trouble"
-Tarja, Soulmate of Darkness