Flying Whenever Catacomb Dragon becomes blocked by a nonartifact, non-Dragon creature, that creature gets -X/-0 until end of turn, where X is half the creature's power, rounded down.
Near Mint - $0.50
Lightly Played - $0.40
Moderately Played - $0.40
Heavily Played - $0.30
Damaged - $0.30
Near Mint Spanish - $0.50
Lightly Played Spanish - $0.40
Moderately Played Spanish - $0.40
Heavily Played Spanish - $0.30
Damaged Spanish - $0.30