10 Nov 2020
The ability that defines Revenant's power and toughness applies in all zones, not just the battlefield.
10 Nov 2020
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.
10 Nov 2020
As long as Revenant is in your graveyard, its ability will count itself.