Awesome Cyber Monday

Green spells you cast cost {1} less to cast.

{T}: Add {C}{C}{C}. {3}, {T}, Sacrifice Dreamstone Hedron: Draw three cards.

Trample {3}{R}, Sacrifice an artifact: Bosh, Iron Golem deals damage equal to the sacrificed artifact's converted mana cost to any target.

{B}, {T}, Sacrifice another creature: Create X 2/2 black Zombie creature tokens, where X is the sacrificed creature's power.

Equipped creature gets +6/+6. Whenever equipped creature attacks, destroy target permanent. Equip {6}

{T}: Add {G}.

When Well of Ideas enters the battlefield, draw two cards. At the beginning of each other player's draw step, that player draws an additional card....

Create a 3/3 green Beast creature token for each creature put into your graveyard from the battlefield this turn.

When Farhaven Elf enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle your ...

Destroy target permanent.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When Beetleback Chief enters the battlefield, create two 1/1 red Goblin creature tokens.

{2}{U}, {T}: Each player puts the top three cards of their library into their graveyard. Exile up to two creature cards put into graveyards this wa...

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Until end of turn...

Morbid — {T}, Tap two untapped creatures you control: Create a 5/5 black Demon creature token with flying. Activate this ability only if a creature...

All creatures get -1/-1 until end of turn for each Swamp you control.

{2}, {T}: Add {B} for each Swamp you control.

Deathtouch Whenever Liliana's Reaver deals combat damage to a player, that player discards a card and you create a tapped 2/2 black Zombie creature...

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the li...

Deathtouch Whenever Grave Titan enters the battlefield or attacks, create two 2/2 black Zombie creature tokens.

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyar...

When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

{U}, {T}: Target creature attacks target opponent this turn if able. Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it...

Flying Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.