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Flying At the beginning of each combat, any opponent may sacrifice a creature. If a player does, tap Desecration Demon and put a +1/+1 counter on it.

When Slum Reaper enters the battlefield, each player sacrifices a creature.

Flying When Dark Revenant dies, put it on top of its owner's library.

Flying Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Defender Reach (This creature can block creatures with flying.) {1}{B}{G}: Regenerate Trestle Troll.

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Target creature gets +4/-4 until end of turn.

Scavenge {6}{B} ({6}{B}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scaveng...

As an additional cost to cast this spell, sacrifice a creature. Destroy target creature. Its controller loses 2 life.

Target player discards two cards.

Defender Ogre Jailbreaker can attack as though it didn't have defender as long as you control a Gate.

{1}{B}: Perilous Shadow gets +2/+2 until end of turn.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) Scavenge {2}{B} ({2}{B}, Exile this card from your graveya...

Enchant creature Enchanted creature gets -2/-2. At the beginning of the upkeep of enchanted creature's controller, that player loses 2 life.

Flying Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Destroy target land. Its controller reveals cards from the top of their library until they reveal a land card, then puts those cards into their gra...

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.) {1}{...

Haste

Trample Cryptborn Horror enters the battlefield with X +1/+1 counters on it, where X is the total life lost by your opponents this turn.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Scavenge {1}{B}{G} ({1}{B}{G}, Exile this card from your gravey...

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)