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 - $7.30
NM-Mint Non English - $7.30
Lightly Played - $6.90
Lightly Played Non English - $6.90
Moderately Played - $6.50
Moderately Played Non English - $6.50
Heavily Played - $5.80
Heavily Played Non English - $5.80
Damaged - $4.70
Damaged Non English - $4.70
Foil Prices
NM-Mint Foil - $8.20
NM-Mint Foil Non English - $8.20
Lightly Played Foil - $7.80
Lightly Played Foil Non English - $7.80
Moderately Played Foil - $7.40
Moderately Played Foil Non English - $7.40
Heavily Played Foil - $6.60
Heavily Played Foil Non English - $6.60
Damaged Foil - $5.40
Damaged Foil Non English - $5.40