Cheapest priced copy (New Phyrexia): $0.35 at Card Kingdom, near mint, their price list as of .
Mortis Dogs 
Creature — Phyrexian Dog · 2/2 · Common · New Phyrexia · #66
Whenever this creature attacks, it gets +2/+0 until end of turn.
When this creature dies, target player loses life equal to its power.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| New Phyrexia | 66 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 June 2011The loss of life is equal to Mortis Dogs’s power as it last existed on the battlefield.