Urborg Skeleton

Kicker {3} (You may pay an additional {3} as you cast this spell.)
{B}: Regenerate Urborg Skeleton.
If Urborg Skeleton was kicked, it enters with a +1/+1 counter on it.

Urborg Phantom

Urborg Phantom can't block.
{U}: Prevent all combat damage that would be dealt to and dealt by Urborg Phantom this turn.

Bog Initiate

Addle

Choose a color. Target player reveals their hand and you choose a card of that color from it. That player discards that card.

Urborg Drake

Flying
Urborg Drake attacks each combat if able.

Urborg Emissary

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)
When Urborg Emissary enters, if it was kicked, return target permanent to its owner's hand.

Urborg Shambler

Urborg Volcano

Urborg Volcano enters tapped.
{T}: Add {B} or {R}.

Dredge

Sacrifice a creature or land.
Draw a card.