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 - $7.20
Lightly Played - $6.40
Moderately Played - $5.70
Heavily Played - $5.00
Damaged - $3.60
NM-Mint Non English - $7.20
Lightly Played Non English - $6.40
Moderately Played Non English - $5.70
Heavily Played Non English - $5.00
Damaged Non English - $3.60