Errik, Rebel Scholar

Rank IV - Master
Astral Projection - {3}{g/u}, {t}: Create a blue 0/1
Being token named Errik's Spirit that has indestructible, cannot attack, "While you control
this card, all other players play with their hands revealed at all times, but Errik, Rebel Scholar
remains tapped while you control this token,"
and "{t}, sacrifice this token: Untap Errik, Rebel Scholar."