mtg.wtf

When Azorius Justiciar enters the battlefield, detain up to two target creatures your opponents control.

{T}: Add {W} or {U}.
{W}{U}: Azorius Keyrune becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

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

Flying

You may play two additional lands on each of your turns.

Destroy all enchantments.

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

As long as it's your turn, each creature assigns combat damage equal to its toughness rather than its power.
Whenever Baldin, Century Herdmaster attacks, up to one hundred target creatures each get +0/+X until end of turn, where X is the number of cards in your hand.

{2}{R}, Exile a creature card from your graveyard: Create a 3/1 black and red Graveborn creature token with haste. Sacrifice it at the beginning of the next end step.

When Balduvian Horde enters the battlefield, sacrifice it unless you discard a card at random.

Flying, deathtouch
When Baleful Strix enters the battlefield, draw a card.

Trample
Haste
At the beginning of the end step, sacrifice Ball Lightning.

Ballroom enters the battlefield tapped.
{T}: Add {W} or {B}.
{4}, {T}: Investigate.

Minion creatures get +1/+1.
{B}{B}{B}, Exile Balthor the Defiled: Each player returns all black and all red creature cards from their graveyard to the battlefield.

Up to two target creatures you control each deal damage equal to their power to another target creature.

Banefire deals X damage to any target.
If X is 5 or more, this spell can't be countered and the damage can't be prevented.

When Banisher Priest enters the battlefield, exile target creature an opponent controls until Banisher Priest leaves the battlefield.

When Banishing Light enters the battlefield, exile target nonland permanent an opponent controls until Banishing Light leaves the battlefield.

{T}: Add {C}.
{1}, {T}, Sacrifice Bant Panorama: Search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle.

Instant and sorcery spells you cast cost {1} less to cast.
Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.

{1}, {T}, Sacrifice Barbed Sextant: Add one mana of any color. Draw a card at the beginning of the next turn's upkeep.

{T}: Add {G}.

Barren Moor enters the battlefield tapped.
{T}: Add {B}.
Cycling {B}

All Slivers have "Sacrifice this permanent: Add {B}{B}."