Very Cryptic Command

Choose two —
• Scry 3.
• Create a 2/2 black Rogue creature token with menace.
• Add or subtract 1 or one from a number or number word on target spell or permanent until end of turn.
• Return all artifacts target player controls to their owner's hand.

Everythingamajig

{1}, {T}: Scry 2.
{1}, {T}, Pay 1 life: Create a 0/1 white Goat creature token.
{7}, {T}, Sacrifice Everythingamajig: Choose target player. At the beginning of the next end step, exchange life totals with that player, exchange control of all permanents you and that player control, and exchange cards in your hands, cards in your libraries, and cards in your graveyards.

Savage Lands

Savage Lands enters tapped.
{T}: Add {B}, {R}, or {G}.

Frontier Bivouac

Frontier Bivouac enters tapped.
{T}: Add {G}, {U}, or {R}.

Sandsteppe Citadel

Sandsteppe Citadel enters tapped.
{T}: Add {W}, {B}, or {G}.

Seaside Citadel

Seaside Citadel enters tapped.
{T}: Add {G}, {W}, or {U}.

Cinder Barrens

Cinder Barrens enters tapped.
{T}: Add {B} or {R}.

Forsaken Sanctuary

Forsaken Sanctuary enters tapped.
{T}: Add {W} or {B}.

Island

Foul Orchard

Foul Orchard enters tapped.
{T}: Add {B} or {G}.

Submerged Boneyard

Submerged Boneyard enters tapped.
{T}: Add {U} or {B}.

Highland Lake

Highland Lake enters tapped.
{T}: Add {U} or {R}.

Mountain

Jungle Shrine

Jungle Shrine enters tapped.
{T}: Add {R}, {G}, or {W}.

Opulent Palace

Opulent Palace enters tapped.
{T}: Add {B}, {G}, or {U}.

Nomad Outpost

Nomad Outpost enters tapped.
{T}: Add {R}, {W}, or {B}.

Stone Quarry

Stone Quarry enters tapped.
{T}: Add {R} or {W}.

Plains

Timber Gorge

Timber Gorge enters tapped.
{T}: Add {R} or {G}.

Meandering River

Meandering River enters tapped.
{T}: Add {W} or {U}.

Urza, Academy Headmaster

+1: Head to AskUrza.com and click +1.
−1: Head to AskUrza.com and click -1.
−6: Head to AskUrza.com and click -6.

City of Ass

City of Ass enters tapped.
{T}: Add one and one-half mana of any one color.

Secret Base

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a spell that shares a watermark with Secret Base.

Arcane Sanctum

Arcane Sanctum enters tapped.
{T}: Add {W}, {U}, or {B}.

Crumbling Necropolis

Crumbling Necropolis enters tapped.
{T}: Add {U}, {B}, or {R}.

Underdome

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to pay Un-costs.

Woodland Stream

Woodland Stream enters tapped.
{T}: Add {G} or {U}.

Watermarket

{T}: Add {C}{C}. Spend this mana only to cast spells with watermarks.

Swamp

Forest

Psychic Network

Each player plays with the top card of their library held against their forehead, revealed to each other player.

Clocknapper

When Clocknapper enters, choose beginning phase, first main phase, combat phase, postcombat main phase, or ending phase. Steal that phase from target player during their next turn. (That phase occurs as though it's your turn instead.)