Scavenging Ghoul

At the beginning of each end step, put a corpse counter on Scavenging Ghoul for each creature that died this turn.
Remove a corpse counter from Scavenging Ghoul: Regenerate Scavenging Ghoul.

Sea Serpent

Sea Serpent can’t attack unless defending player controls an Island.
When you control no Islands, sacrifice Sea Serpent.

Rock Hydra

Rock Hydra enters with X +1/+1 counters on it.
For each 1 damage that would be dealt to Rock Hydra, if it has a +1/+1 counter on it, remove a +1/+1 counter from it and prevent that 1 damage.
: Prevent the next 1 damage that would be dealt to Rock Hydra this turn.
: Put a +1/+1 counter on Rock Hydra. Activate only during your upkeep.

Bog Wraith

Swampwalk (This creature can’t be blocked as long as defending player controls a Swamp.)

Bog Wraith

Swampwalk (This creature can’t be blocked as long as defending player controls a Swamp.)

Zombie Master

Other Zombie creatures have swampwalk. (They can’t be blocked as long as defending player controls a Swamp.)
Other Zombies have “: Regenerate this permanent.”

Zombie Master

Other Zombie creatures have swampwalk. (They can’t be blocked as long as defending player controls a Swamp.)
Other Zombies have “: Regenerate this permanent.”

Raise Dead

Return target creature card from your graveyard to your hand.

Rock Hydra

Rock Hydra enters with X +1/+1 counters on it.
For each 1 damage that would be dealt to Rock Hydra, if it has a +1/+1 counter on it, remove a +1/+1 counter from it and prevent that 1 damage.
: Prevent the next 1 damage that would be dealt to Rock Hydra this turn.
: Put a +1/+1 counter on Rock Hydra. Activate only during your upkeep.

Scavenging Ghoul

At the beginning of each end step, put a corpse counter on Scavenging Ghoul for each creature that died this turn.
Remove a corpse counter from Scavenging Ghoul: Regenerate Scavenging Ghoul.

Aspect of Wolf

Enchant creature
Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.

Consecrate Land

Enchant land
Enchanted land has indestructible and can’t be enchanted by other Auras.

Black Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything white.)

Sea Serpent

Sea Serpent can’t attack unless defending player controls an Island.
When you control no Islands, sacrifice Sea Serpent.