You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant.
[+1]: Draw a card, then discard a card.
[-3]: Target creature you don't control phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.) [-10]: Take two extra turns after this one.
NM-Mint - $6.90
NM-Mint Non English - $6.90
Lightly Played - $6.50
Lightly Played Non English - $6.50
Moderately Played - $6.20
Moderately Played Non English - $6.20
Heavily Played - $5.50
Heavily Played Non English - $5.50
Damaged - $4.50
Damaged Non English - $4.50
Foil Prices
NM-Mint Foil - $21.40
NM-Mint Foil Non English - $21.40
Lightly Played Foil - $20.30
Lightly Played Foil Non English - $20.30
Moderately Played Foil - $19.30
Moderately Played Foil Non English - $19.30
Heavily Played Foil - $17.10
Heavily Played Foil Non English - $17.10
Damaged Foil - $13.90
Damaged Foil Non English - $13.90