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.
Near Mint - $9.60
Near Mint Non-English - $9.60
Lightly Played - $8.60
Lightly Played Non-English - $8.60
Played - $6.70
Played Non-English - $6.70
Heavily Played - $5.80
Heavily Played Non-English - $5.80
Damaged - $4.80
Damaged Non-English - $4.80
Foil Prices
Near Mint Foil - $29.90
Near Mint Foil Non-English - $29.90
Lightly Played Foil - $26.90
Lightly Played Foil Non-English - $26.90
Played Foil - $21.00
Played Foil Non-English - $21.00
Heavily Played Foil - $18.00
Heavily Played Foil Non-English - $18.00
Damaged Foil - $15.00
Damaged Foil Non-English - $15.00