Awesome Cyber Monday

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life. {T}: Add {C}. {4}, {T}, Sacrifice Inventors' Fair: Search...

Sunpetal Grove enters the battlefield tapped unless you control a Forest or a Plains. {T}: Add {G} or {W}.

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

{T}: Add {C}. {3}, {T}: Add {B} for each basic Swamp you control.

({T}: Add {G}.)

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

({T}: Add {R} or {G}.) Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

At the beginning of your upkeep, scry 1. Whenever you cast a creature spell, you may pay {G}. If you do, draw a card.

Haste Whenever Bomat Courier attacks, exile the top card of your library face down. (You can't look at it.) {R}, Discard your hand, Sacrifice Bomat...

{T}: Add {C}. {T}, Pay 1 life: Add {R}. {2}{R}{R}, {T}, Sacrifice a Desert: Ramunap Ruins deals 2 damage to each opponent.

Equipped creature gets +1/+1 for each land you control. Equip legendary creature {3} Equip {7}

({T}: Add {B}.)

({T}: Add {W}.)

{T}: Add {C}. {1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle your library.

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

Scrapheap Scrounger can't block. {1}{B}, Exile another creature card from your graveyard: Return Scrapheap Scrounger from your graveyard to the bat...

When Haywire Mite dies, you gain 2 life. {G}, Sacrifice Haywire Mite: Exile target noncreature artifact or noncreature enchantment.

When Brokers Hideout enters the battlefield, sacrifice it. When you do, search your library for a basic Forest, Plains, or Island card, put it onto...

As Heraldic Banner enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library. Then if yo...

Castle Vantress enters the battlefield tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2.

Castle Locthwain enters the battlefield tapped unless you control a Swamp. {T}: Add {B}. {1}{B}{B}, {T}: Draw a card, then you lose life equal to t...

({T}: Add {R}.)