Flying Whenever Derevi, Empyrial Tactician enters the battlefield or a creature you control deals combat damage to a player, you may tap or untap target permanent. {1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone.
NM-Mint Foil - $8.80
Lightly Played Foil - $7.90
Moderately Played Foil - $7.00
Heavily Played Foil - $6.20
Damaged Foil - $4.40
NM-Mint Foil Non English - $8.80
Lightly Played Foil Non English - $7.90
Moderately Played Foil Non English - $7.00
Heavily Played Foil Non English - $6.20
Damaged Foil Non English - $4.40