Awesome Cyber Monday

If there are ten or more creature cards total in all graveyards, this spell costs {6} less to cast. Fear (This creature can't be blocked except by ...

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

At the beginning of combat on your turn, choose an opponent at random. Ruhan of the Fomori attacks that player this combat if able.

At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

Search your library for up to two basic land cards, reveal those cards, and put one onto the battlefield tapped and the other into your hand. Then ...

When Dread Cacodemon enters the battlefield, if you cast it from your hand, destroy all creatures your opponents control, then tap all other creatu...

Counter target spell. If that spell is countered this way, put it on the bottom of its owner's library instead of into that player's graveyard. Put...

Join forces — Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way.

Flying Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

{T}: Add {C}{C}. Activate this ability only if you control five or more lands.

Orzhov Basilica enters the battlefield tapped. When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand. {T}: Add...

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

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile all cards from target player's graveyard. {T}: Add {B}.

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}{C}.

{1}, {T}: Add {G}{W}.

{1}, {T}: Add {W}{B}.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Indestructible {T}: Add one mana of any color.

{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle your l...

When Oblivion Ring enters the battlefield, exile another target nonland permanent. When Oblivion Ring leaves the battlefield, return the exiled car...

Whenever you cast an instant or sorcery spell, you may pay {U}{R}. If you do, copy that spell. You may choose new targets for the copy. Whenever an...

The owner of target nonland permanent shuffles it into their library, then draws two cards.

When Duergar Hedge-Mage enters the battlefield, if you control two or more Mountains, you may destroy target artifact. When Duergar Hedge-Mage ente...