Duncan, Young Scholar

{x}{t}, Tap X untapped artifacts you control.
For each artifact tapped this way, get {e}.

Pay {e}{e}: Tap or untap target artifact unless
its controller pays {2}. Until end of turn, you
may activate any of that artifact's abilities.

Often buried in his work, Duncan Schiller rarely
emerges from his study. He spends all night archiving works, a thankless task.