Awesome Cyber Monday

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}{C}.

You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield.

Whenever you cast an artifact spell, you may pay {2}. If you do, create a 0/0 colorless Construct artifact creature token with "This creature gets ...

Other artifact creatures you control have haste. Whenever one or more artifact creatures you control attack, Alibou, Ancient Witness deals X damage...

{T}: Add one mana of any color in your commander's color identity.

[+1]: Create a 3/3 green Beast creature token. [−3]: Draw cards equal to the greatest power among creatures you control. [−6]: Create a 6/6 green W...

Vigilance {1}, Sacrifice an artifact: Target creature you control gets +2/+0 until end of turn. {X}, {T}, Exile an artifact card with mana value X ...

Whenever Ruxa, Patient Professor enters the battlefield or attacks, return target creature card with no abilities from your graveyard to your hand....

Flash Commander creatures you control get +2/+2. Commanders you control have hexproof.

Exile target instant or sorcery card from your graveyard. Creatures you control get +X/+0 until end of turn, where X is that card's mana value. Whe...

Menace When Ruin Grinder dies, each player may discard their hand and draw seven cards. Mountaincycling {2} ({2}, Discard this card: Search your li...

Menace Whenever you gain life, you may pay {B}. If you do, return target creature card from your graveyard to your hand.

You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone.

{T}: Add {C}. {T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then s...

{T}: Add {C}. {T}: Add {U} or {R}. Talisman of Creativity deals 1 damage to you.

Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in yo...

{1}, {T}: Add {U}{R}.

For each creature your opponents control, create a 4/4 green Beast creature token. Each of those Beasts fights a different one of those creatures.

Flying Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) When Hornet Queen enters the battlefield, create four 1/...

Prevent all combat damage that would be dealt to attacking artifact creatures you control. Whenever one or more artifact creatures enter the battle...

Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards wi...

Flying The first time you would create one or more tokens during each of your turns, you may instead choose a creature other than Esix, Fractal Blo...