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 - $8.25
Near Mint Non-English - $8.25
Lightly Played - $8.00
Lightly Played Non-English - $8.00
Moderately Played - $6.75
Moderately Played Non-English - $6.75
Heavily Played - $5.00
Heavily Played Non-English - $5.00
Damaged - $4.25
Damaged Non-English - $4.25
Foil Prices
Near Mint Foil - $8.25
Near Mint Foil Non-English - $8.25
Lightly Played Foil - $7.75
Lightly Played Foil Non-English - $7.75
Moderately Played Foil - $6.50
Moderately Played Foil Non-English - $6.50
Heavily Played Foil - $5.00
Heavily Played Foil Non-English - $5.00
Damaged Foil - $4.25
Damaged Foil Non-English - $4.25