Существо — Дух
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ПолетСила и выносливость Призрака Мертвеца равны количеству карт существ на вашем кладбище.
The ability that defines Revenant's power and toughness applies in all zones, not just the battlefield.
If Revenant is dealt lethal damage at the same time as another creature you control, both die at the same time. The other creature won't die in time to raise Revenant's toughness.
As long as Revenant is in your graveyard, its ability will count itself.