Neglected Manor

This land enters tapped unless a player has 13 or less life.
{T}: Add {W} or {B}.

Audacious Thief

Whenever this creature attacks, you draw a card and you lose 1 life.

Sliver creatures you control have vigilance. (Attacking doesn't cause them to tap.)

Changeling (This card is every creature type.)
When this creature enters, create a 2/2 colorless Shapeshifter creature token with changeling.

Sliver creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Enchant creature
When this Aura enters, draw a card.
Enchanted creature has flying.

Changeling (This card is every creature type.)
Deathtouch

Target creature gains deathtouch until end of turn.
Draw a card.

All Sliver creatures have absorb 1. (If a source would deal damage to a Sliver, prevent 1 of that damage.)

Outlast {2} ({2}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Other Sliver creatures you control have outlast {2}.

Changeling (This card is every creature type.)

Changeling (This card is every creature type.)
This creature can't block and can't be blocked.

This land enters tapped unless a player has 13 or less life.
{T}: Add {B} or {R}.