Grisly Salvage
BG Instant
Reveal the top five cards of your library. You may put a creature or land card from among them into your hand. Put the rest into your graveyard.

Golgari Charm
BG Instant
Choose one - All creatures get -1/-1 until end of turn; or destroy target enchantment; or regenerate each creature you control.

Jarad, Golgari Lich Lord
BBGG
Legendary Creature - Zombie Elf
Jarad, Golgari Lich Lord gets +1/+1 for each creature card in your graveyard.
1{B}{G}, Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power.
Sacrifice a Swamp and a Forest: Return Jarad from your graveyard to your hand.

Vraska the Unseen
3BG
Planeswalker - Vraska Mythic Rare
+1: Until your next turn, whenever a creature deals combat damage to Vraska the Unseen, destroy that creature.
-3: Destroy target nonland permanent.
-7: Put three 1/1 black Assassin tokens onto the battlefield with "Whenever this creature deals combat damage to a player, that player loses the game."