Altar of the Lost enters the battlefield tapped.
: Add two mana in any combination of colors to your mana pool. Spend this mana only to cast spells with flashback from a graveyard.
Flying, haste
At the beginning of the end step, return Archwing Dragon to its owner's hand.
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
Creatures you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)
: Regenerate target creature.
Whenever Ashmouth Hound blocks or becomes blocked by a creature, Ashmouth Hound deals 1 damage to that creature.
When Bala Ged Scorpion enters the battlefield, you may destroy target creature with power 1 or less.
( can be paid with either or 2 life.)
, , Sacrifice a creature: Search your library for a creature card with converted mana cost equal to 1 plus the sacrificed creature's converted mana cost, put that card onto the battlefield, then shuffle your library. Activate this ability only any time you could cast a sorcery.
Search target player's library for a card and exile it. Then that player shuffles his or her library.
Gravestorm (When you cast this spell, copy it for each permanent put into a graveyard this turn. You may choose new targets for the copies.)
Blasphemous Act costs less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.
Swampwalk
When Blistergrub dies, each opponent loses 2 life.
Bloodghast can't block.
Bloodghast has haste as long as an opponent has 10 or less life.
Landfall — Whenever a land enters the battlefield under your control, you may return Bloodghast from your graveyard to the battlefield.
Multikicker (You may pay an additional any number of times as you cast this spell.)
When Bloodhusk Ritualist enters the battlefield, target opponent discards a card for each time it was kicked.
Swampwalk (This creature is unblockable as long as defending player controls a Swamp.)
Flash (You may cast this spell any time you could cast an instant.)
When Briarpack Alpha enters the battlefield, target creature gets +2/+2 until end of turn.
At the beginning of each player's upkeep, that player sacrifices a non-Zombie creature.
At the beginning of the end step, if no creatures are on the battlefield, sacrifice Call to the Grave.
Choose one or more — Clan Defiance deals X damage to target creature with flying; Clan Defiance deals X damage to target creature without flying; and/or Clan Defiance deals X damage to target player.
When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls.
, : Proliferate, then proliferate again. (You choose any number of permanents and/or players with counters on them, then give each another counter of a kind already there. Then do it again.)
Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)
At the beginning of each upkeep, put a strife counter on Crescendo of War.
Attacking creatures get +1/+0 for each strife counter on Crescendo of War.
Blocking creatures you control get +1/+0 for each strife counter on Crescendo of War.
Enchant player
Creatures enchanted player controls attack each turn if able.
Flying
When Dark Revenant dies, put it on top of its owner's library.
, Sacrifice Dementia Bat: Target player discards two cards.
Destroy target land. Its controller discards a card.