Tyvar Kell

Legendary Planeswalker — Tyvar

Elves you control have ": Add ."
+1: Put a +1/+1 counter on up to one target Elf. Untap it. It gains deathtouch until end of turn.
0: Create a 1/1 green Elf Warrior creature token.
?6: You get an emblem with "Whenever you cast an Elf spell, it gains haste until end of turn and you draw two cards."

Unholy Grotto

Land

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, : Put target Zombie card from your graveyard on top of your library.

Urborg

Legendary Land

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: Target creature loses first strike or swampwalk until end of turn.

Volrath's Stronghold

Legendary Land

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, : Put target creature card from your graveyard on top of your library.

Witch's Cottage

Land — Swamp

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Witch's Cottage enters the battlefield tapped unless you control three or more other Swamps.
When Witch's Cottage enters the battlefield untapped, you may put target creature card from your graveyard on top of your library.

Cabal Ritual

Instant

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Threshold — Add instead if seven or more cards are in your graveyard.

Culling the Weak

Instant

As an additional cost to cast this spell, sacrifice a creature.
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Dark Ritual

Instant

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Liturgy of Blood

Sorcery

Destroy target creature. Add .

Rain of Filth

Instant

Until end of turn, lands you control gain "Sacrifice this land: Add ."

Songs of the Damned

Instant

Add for each creature card in your graveyard.

Princess Lucrezia

Legendary Creature — Human Wizard (5/4)

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Swamp // Swamp

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Swamp

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Callidus Assassin

Creature — Human Shapeshifter Assassin (3/3)

Flash
Polymorphine — You may have Callidus Assassin enter the battlefield tapped as a copy of any creature on the battlefield, except it has "When this creature enters the battlefield, destroy up to one other target creature with the same name as this creature."

Dinrova Horror

Creature — Horror (4/4)

When Dinrova Horror enters the battlefield, return target permanent to its owner's hand, then that player discards a card.

Dragonlord Silumgar

Legendary Creature — Elder Dragon (3/5)

Flying, deathtouch
When Dragonlord Silumgar enters the battlefield, gain control of target creature or planeswalker for as long as you control Dragonlord Silumgar.

Gyruda, Doom of Depths

Legendary Creature — Demon Kraken (6/6)

Companion — Your starting deck contains only cards with even mana values. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)
When Gyruda enters the battlefield, each player mills four cards. Put a creature card with an even mana value from among the milled cards onto the battlefield under your control.

Jhessian Zombies

Creature — Zombie (2/4)

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Islandcycling , swampcycling (, Discard this card: Search your library for an Island or Swamp card, reveal it, put it into your hand, then shuffle.)

Lochmere Serpent

Creature — Serpent (7/7)

Flash
, Sacrifice an Island: Lochmere Serpent can't be blocked this turn.
, Sacrifice a Swamp: You gain 1 life and draw a card.
: Exile five target cards from an opponent's graveyard. Return Lochmere Serpent from your graveyard to your hand. Activate only as a sorcery.

Memory Vampire

Creature — Vampire Detective (4/4)

Flying
Whenever Memory Vampire deals combat damage to a player, any number of target players each mill that many cards. Then you may collect evidence 9. When you do, you may cast target nonland card from defending player's graveyard without paying its mana cost.