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 - $5.40
NM-Mint Non English - $5.40
Lightly Played - $5.10
Lightly Played Non English - $5.10
Moderately Played - $4.80
Moderately Played Non English - $4.80
Heavily Played - $4.30
Heavily Played Non English - $4.30
Damaged - $3.50
Damaged Non English - $3.50
Foil Prices
NM-Mint Foil - $7.10
NM-Mint Foil Non English - $7.10
Lightly Played Foil - $6.80
Lightly Played Foil Non English - $6.80
Moderately Played Foil - $6.40
Moderately Played Foil Non English - $6.40
Heavily Played Foil - $5.70
Heavily Played Foil Non English - $5.70
Damaged Foil - $4.60
Damaged Foil Non English - $4.60