msem-instigator

Bleakrealm Moor enters the battlefield tapped unless you played it from exile.
{T}: Add {B} or {R}.

Enchant land
Whenever enchanted land is tapped for mana, its controller adds two mana in any combination of colors (in addition to the mana the land produces.)

({T}: Add {W} or {B}.)
As Blessed Mausoleum enters the battlefield, you may pay {1}. If you don't, Blessed Mausoleum enters the battlefield tapped.

{T}: Add {B} or {G}.
{B}{G}, {T}: Target creature gets +1/+1 until end of turn.

Equipped creature gets +2/-1.
Equip {1}

{T}: Add {C}.
Dominance — {1}, {T}: Blistering Boneyard deals 1 damage to each opponent. Activate only if you control the creature with the greatest power or tied for the greatest power.

Whenever equipped creature attacks, choose target creature defending player controls. Destroy that creature at end of combat.
Equip {4}

Bloodfell Caves enters the battlefield tapped.
When Bloodfell Caves enters the battlefield, you gain 1 life.
{T}: Add {B} or {R}.

Equipped creature gets +1/+1 and has lifelink.
Whenever equipped creature dies, if it wasn't a token, you may pay {3}. If you do, create a token that's a copy of that creature and attach Bloodguard's Hand to it.
Equip {3}

({T}: Add {R}.)
Bloodriver enters the battlefield tapped.
When Bloodriver enters the battlefield, target creature you control gains haste until end of turn.

Bloodsand Gulch enters the battlefield tapped unless you control another Desert.
{T}: Add {B} or {R}.

{2}, {T}, Sacrifice a creature: You draw a card and you lose 2 life.
{1}, {T}, Exile a creature card from your graveyard: You gain 2 life.

Equipped creature gets +1/+1 for each charge counter on Bloodstained Knife.
{2}, Sacrifice a creature: Put a charge counter on Bloodstained Knife.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Bloodstone Halls enters the battlefield tapped unless you control two or more black and/or red permanents.
{T}: Add {B} or {R}.

Blooming Needles enters the battlefield tapped unless you control another Desert.
{T}: Add {R} or {G}.

Blooming Vista enters the battlefield tapped.
{T}: Add {R} or {G}.
{1}, {T}: Add one mana of any color.

Blossoming Expanse enters tapped.
When Blossoming Expanse enters, you may put a basic land card from your hand onto the battlefield.
{1}, {T}: Add one mana of any color.

Blossoming Sands enters the battlefield tapped.
When Blossoming Sands enters the battlefield, you gain 1 life.
{T}: Add {G} or {W}.

Trample
{T}: Add {C}.
At the beginning of your upkeep, you may pay {2}. When you do, Blundering Clocktower becomes a creature in addition to its other types until the beginning of your next end step. End the turn.

Equipped creature has menace.
Equip {0} ({0}: Attach to target creature you control. Equip only as a sorcery.)

({T}: Add {U} or {R}.)
Boiling Ridge enters the battlefield tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

Equipped creature gets +1/+0.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Paranoia—Exile a creature card from your graveyard. (You may cast this spell for its paranoia cost when a permanent you control leaves the battlefield.)
Equipped creature gets +2/+0.
Equip {1}

Boneyard Pass enters the battlefield tapped unless you control a basic land.
{T}: Add {W} or {B}.

{2}, Sacrifice Bottled Fate: Put the top card and bottom card of your library into your hand.