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 - $8.10
NM-Mint Non English - $8.10
Lightly Played - $7.70
Lightly Played Non English - $7.70
Moderately Played - $7.30
Moderately Played Non English - $7.30
Heavily Played - $6.50
Heavily Played Non English - $6.50
Damaged - $5.30
Damaged Non English - $5.30
Foil Prices
NM-Mint Foil - $8.50
NM-Mint Foil Non English - $8.50
Lightly Played Foil - $8.10
Lightly Played Foil Non English - $8.10
Moderately Played Foil - $7.60
Moderately Played Foil Non English - $7.60
Heavily Played Foil - $6.80
Heavily Played Foil Non English - $6.80
Damaged Foil - $5.50
Damaged Foil Non English - $5.50