Awesome Cyber Monday

Flying {B}, Pay 2 life: Put a +1/+1 counter on Bloodtracker. When Bloodtracker leaves the battlefield, draw a card for each +1/+1 counter on it.

[+1]: Create a 1/1 colorless Servo artifact creature token. [+1]: The next spell you cast this turn costs {1} less to cast for each artifact you c...

{2}, {T}: Draw a card. Activate only if you control three or more lands with the same name.

Reach When Whiptongue Hydra enters the battlefield, destroy all creatures with flying. Put a +1/+1 counter on Whiptongue Hydra for each creature de...

When you cast this spell, copy it for each time you've cast your commander from the command zone this game. Reveal cards from the top of your libr...

Commander ninjutsu {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the comma...

{4}{W}, {T}, Sacrifice Magus of the Balance: Each player chooses a number of lands they control equal to the number of lands controlled by the play...

Improvise (Each artifact you tap after you're done activating mana abilities pays for {1}.) Reveal the top X cards of your library. You may put an...

When Coveted Jewel enters the battlefield, draw three cards. {T}: Add three mana of any one color. Whenever one or more creatures an opponent con...

For any number of opponents, destroy target nonland permanent that player controls.

[+2]: Discard a card, then draw a card. If a land card is discarded this way, draw an additional card. [-3]: Return up to two target land cards fro...

Whenever an opponent attacks, if they attacked you and/or a planeswalker you control, draw a card.

Gyrus, Waker of Corpses enters the battlefield with a number of +1/+1 counters on it equal to the amount of mana spent to cast it. Whenever Gyrus ...

Your commander costs {1} less to cast for each time it's been cast from the command zone this game. Whenever your commander is put into the comman...

Flying As Sower of Discord enters the battlefield, choose two players. Whenever damage is dealt to one of the chosen players, the other chosen play...

Constellation — Whenever Nylea's Colossus or another enchantment enters the battlefield under your control, double target creature's power and toug...

Whenever an opponent taps an artifact for mana, gain control of that artifact until the end of your next turn.

Flying Landfall — Whenever a land enters the battlefield under your control, create a 0/2 red Dragon Egg creature token with defender and "When th...

{T}: Flip a coin. If you win the flip, destroy all nonland permanents.

Flash When Selfless Squire enters the battlefield, prevent all damage that would be dealt to you this turn. Whenever damage that would be dealt to ...

Converge — Crystalline Crawler enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it. Remove a +1/+1 counter fr...

Red instant and sorcery spells you control have lifelink. Whenever a white instant or sorcery spell causes you to gain life, Firesong and Sunspeake...

Whenever Armory Automaton enters the battlefield or attacks, you may attach any number of target Equipment to it. (Control of the Equipment doesn't...

[0]: Exile Kaya, Ghost Assassin or up to one target creature. Return that card to the battlefield under its owner's control at the beginning of you...