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 - $7.10
Near Mint Non-English - $7.10
Lightly Played - $6.40
Lightly Played Non-English - $6.40
Played - $5.00
Played Non-English - $5.00
Heavily Played - $4.30
Heavily Played Non-English - $4.30
Damaged - $3.60
Damaged Non-English - $3.60
Foil Prices
Near Mint Foil - $9.20
Near Mint Foil Non-English - $9.20
Lightly Played Foil - $8.20
Lightly Played Foil Non-English - $8.20
Played Foil - $6.40
Played Foil Non-English - $6.40
Heavily Played Foil - $5.50
Heavily Played Foil Non-English - $5.50
Damaged Foil - $4.60
Damaged Foil Non-English - $4.60