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 - $8.40
NM-Mint Non English - $8.40
Lightly Played - $8.00
Lightly Played Non English - $8.00
Moderately Played - $7.60
Moderately Played Non English - $7.60
Heavily Played - $6.70
Heavily Played Non English - $6.70
Damaged - $5.50
Damaged Non English - $5.50
Foil Prices
NM-Mint Foil - $7.70
NM-Mint Foil Non English - $7.70
Lightly Played Foil - $7.30
Lightly Played Foil Non English - $7.30
Moderately Played Foil - $6.90
Moderately Played Foil Non English - $6.90
Heavily Played Foil - $6.20
Heavily Played Foil Non English - $6.20
Damaged Foil - $5.00
Damaged Foil Non English - $5.00