Awesome Cyber Monday

Whenever Quagmire Lamprey becomes blocked by a creature, put a -1/-1 counter on that creature.

Whenever a player casts a green or white spell, that player discards a card.

{B}: Primeval Shambler gets +1/+1 until end of turn.

Enchant creature Whenever enchanted creature becomes blocked, tap all lands defending player controls.

{2}{B}, {T}, Discard a card: Destroy target nonblack creature. It can't be regenerated.

At the beginning of your upkeep, if Nether Spirit is the only creature card in your graveyard, you may return Nether Spirit to the battlefield.

Flying At the beginning of your upkeep, sacrifice Molting Harpy unless you pay {2}.

Flying

Exile X target creature cards from your graveyard. For each creature card exiled this way, create a 2/2 black Zombie creature token.

Flash Enchant creature Enchanted creature gets +2/-2.

Whenever a nontoken permanent is put into a player's graveyard from the battlefield, that player loses 1 life.

Whenever a creature you control deals combat damage to a player, that player discards a card.

Enchant creature At the beginning of the end step of enchanted creature's controller, Insubordination deals 2 damage to that player unless that cre...

{1}{B}{B}, {T}, Discard a card: Creatures target player controls attack this turn if able.

Players can't cast spells with the same name as a nontoken permanent. Players can't play nonbasic lands with the same name as a nontoken permanent.

When Highway Robber enters the battlefield, target opponent loses 2 life and you gain 2 life.

Target creature gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard.

Destroy all creatures with converted mana cost X or less.

Look at target player's hand and choose up to two cards from it. That player discards those cards.

When Enslaved Horror enters the battlefield, each other player may return a creature card from their graveyard to the battlefield.

You may sacrifice three black creatures rather than pay this spell's mana cost. Trample

If an opponent controls a Forest and you control a Swamp, you may cast this spell without paying its mana cost. {B}: Deepwood Legate gets +1/+1 unt...

Pay 2 life: Regenerate Deepwood Ghoul.

Whenever Deathgazer blocks or becomes blocked by a nonblack creature, destroy that creature at end of combat.