Awesome Cyber Monday

Dismal Backwater enters the battlefield tapped. When Dismal Backwater enters the battlefield, you gain 1 life. {T}: Add {U} or {B}.

{T}: Add {B}, {G}, or {U}. {B}{G}{U}, {T}, Sacrifice Sultai Banner: Draw a card.

{T}: Add {R}, {W}, or {B}. {R}{W}{B}, {T}, Sacrifice Mardu Banner: Draw a card.

{2}, Exile Cranial Archive: Target player shuffles their graveyard into their library. Draw a card.

{T}: Add {W}, {B}, or {G}. {W}{B}{G}, {T}, Sacrifice Abzan Banner: Draw a card.

[+1]: Until your next turn, creatures you control get +1/+0 and gain lifelink. [−2]: Create a 2/2 black Vampire creature token with flying. [−6]: Y...

Trample, hexproof Morph {3}{G}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Flying Whenever you cast a noncreature spell, creatures you control gain lifelink until end of turn.

Whenever Mardu Roughrider attacks, target creature can't block this turn.

Whenever a nontoken creature you control attacks, create a 1/1 red Goblin creature token that's tapped and attacking. Sacrifice Mardu Ascendancy: C...

Choose one — • Put target creature on top of its owner's library. • Jeskai Charm deals 4 damage to target opponent or planeswalker. • Creatures you...

Whenever Anafenza, the Foremost attacks, put a +1/+1 counter on another target tapped creature you control. If a nontoken creature an opponent owns...

Flying Whenever Abomination of Gudul deals combat damage to a player, you may draw a card. If you do, discard a card. Morph {2}{B}{G}{U} (You may c...

Windstorm deals X damage to each creature with flying.

All creatures able to block target creature this turn do so. Ferocious — That creature gains indestructible until end of turn if you control a crea...

Hooded Hydra enters the battlefield with X +1/+1 counters on it. When Hooded Hydra dies, create a 1/1 green Snake creature token for each +1/+1 cou...

You gain 5 life. Ferocious — You gain 10 life instead if you control a creature with power 4 or greater.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Target creature gets +6/+6 until end of turn.

As an additional cost to cast this spell, discard a card. Draw two cards.

Double strike Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Ferocious — If you control a creature with power 4 or greater, you may cast Dragon Grip as though it had flash. (You may cast it any time you could...

Burn Away deals 6 damage to target creature. When that creature dies this turn, exile all cards from its controller's graveyard.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Whenever Meandering Towershell attacks, exile it. Retu...

Outlast {1}{G} ({1}{G}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Each creature you control with a +1/+1 counter on it...