This spell can't be countered. Flying, haste {R}: Inferno of the Star Mounts gets +1/+0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target.
NM-Mint Foil - $8.10
Lightly Played Foil - $7.70
Moderately Played Foil - $7.30
Heavily Played Foil - $6.50
Damaged Foil - $5.30
NM-Mint Foil Non English - $8.10
Lightly Played Foil Non English - $7.70
Moderately Played Foil Non English - $7.30
Heavily Played Foil Non English - $6.50
Damaged Foil Non English - $5.30