msem-instigator

When Ghoulcaller's Graf enters, mill two cards.
{T}: Add {C}.
{5}, {T}, Sacrifice Ghoulcaller's Graf: Return up to two target creature cards from your graveyard to your hand.

Hellfire Crater enters tapped. When it enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
{T}: Add {B} or {R}.

Macabre Pools enters tapped. When it enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
{T}: Add {U} or {B}.

Putrid Corcass enters tapped. When it enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
{T}: Add {B} or {G}.

Secret Lagoon enters tapped. When it enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
{T}: Add {G} or {U}.

{T}, Sacrifice Sinister Thicket: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{4}, Exile Sinister Thicket from your graveyard: Draw a card. Activate only as a sorcery.

Solemn Bastion enters tapped. When it enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
{T}: Add {W} or {B}.

Sunswept Grange enters tapped. When it enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
{T}: Add {R} or {W}.

Wesgoth Cemetery enters tapped.
Whenever a nontoken creature dies, put a corpse counter on Wesgoth Cemetery.
{T}: Add {B} or {G}. If there are thirteen or more corpse counters on Wesgoth Cemetery, remove those counters, transform it, then untap it.
Wesgoth Cemetery can be your commander.

Trample, haste
Skullbriar gets +1/+1 for each creature card in all graveyards.
{T}: Add {B} or {G}.
Skullbriar, Death's Mockery remains transformed as it moves to any zone other than a player's hand or library.

Target creature gains double strike until end of turn.

First strike (This creature deals combat damage before creatures without first strike.)
Other Soldier creatures you control get +1/+1 and have first strike.
{3}{W}: Create a 1/1 white Soldier creature token.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature gets +1/+3.
Whenever enchanted creature attacks, you gain 1 life.

Enchant creature
Enchanted creature has defender.
Whenever enchanted creature blocks, you gain 1 life.

Create three 1/1 white Soldier creature tokens, two 2/2 white Knight creature tokens with vigilance, and a 4/4 white Angel creature token with flying.

When Confining Priest enters, exile another target creature with power 4 or less an opponent controls until Confining Priest leaves the battlefield. (That creature returns under its owner's control.)

Vigilance (Attacking doesn't cause this creature to tap.)

Whenever a creature you control enters, you may gain 1 life.
{3}{W}: Populate. (Create a token that's a copy of a creature token you control.)

Destroy target attacking or blocking creature.

First strike (This creature deals combat damage before creatures without first strike.)

Flying (This creature can't be blocked except by creatures with flying or reach.)
Escorted Rider gets +1/+1 as long as you control another creature with flying.

Whenever you gain life, put a +1/+1 counter on Faithful Acolyte.
Faithful Acolyte has lifelink as long as it has four or more +1/+1 counters on it.

Destroy all nontoken creatures.

Fellor Vanguard gets +1/+1 as long as you control a Mountain.
{1}{R}: Fellor Vanguard gets +1/+0 until end of turn.