Mistvault Bridge

This land enters tapped.
Indestructible
{T}: Add {U} or {B}.

Vault of Whispers

Fanatical Offering

As an additional cost to cast this spell, sacrifice an artifact or creature.
Draw two cards and create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

Cast Down

Refurbished Familiar

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
When this creature enters, each opponent discards a card. For each opponent who can't, you draw a card.

Jund Hackblade

As long as you control another multicolored permanent, this creature gets +1/+1 and has haste.

Thoughtcast

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Draw two cards.

Seat of the Synod

Swamp

Blood Fountain

When this artifact enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")
{3}{B}, {T}, Sacrifice this artifact: Return up to two target creature cards from your graveyard to your hand.

Bant Sureblade

As long as you control another multicolored permanent, this creature gets +1/+1 and has first strike.

Clay Revenant

This creature enters tapped.
{2}{B}: Return this card from your graveyard to your hand.

Tendrils of Despair

As an additional cost to cast this spell, sacrifice a creature.
Target opponent discards two cards.

Grixis Grimblade

As long as you control another multicolored permanent, this creature gets +1/+1 and has deathtouch. (Any amount of damage it deals to a creature is enough to destroy that creature.)

Ichor Wellspring

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

Mind Extraction

As an additional cost to cast this spell, sacrifice a creature.
Target player reveals their hand and discards all cards of each of the sacrificed creature's colors.

Island

Virus Beetle

When this creature enters, each opponent discards a card.

Esper Stormblade

As long as you control another multicolored permanent, this creature gets +1/+1 and has flying.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.