Miraga, of Plagued Souls

Indestructible, Shroud
Eternal 4 (When you control three creatures of the same type as this card and a fourth enters the battlefield give this creature an eternal counter)
{t}, Remove an eternal counter from Miraga, of Plagued Souls, shuffle your graveyard into your library and reveal the top 5 cards. Put all creatures revealed onto the battlefield and exile the rest.