msem-instigator

When Pulse Seeker enters, create a 1/1 black and red Vampire creature token with menace.
Equipped creature gets +1/+0.
Equip {1}

Lifelink
{W}, {T}: Target creature gets +1/+1 and gains lifelink until end of turn. Activate only as a sorcery.

Enchant creature
Enchanted creature gets +2/+2 and has “Whenever this creature deals combat damage to a player, return up to one target creature card from your graveyard to your hand.”

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}.

Trample
Whenever you attack, target creature gains first strike until end of turn. If you control a Dwarf and an Elf, that creature gains double strike until end of turn instead.

Your opponents can't gain life.
If a source you control would deal damage to an opponent, it deals that much damage plus 1 instead.
{3}{R}: Transform Pyromantic Duo. Activate only if it's attacking.

When this creature dies, put a -1/-1 counter on up to one target creature.

When this artifact enters, create a 2/1 white Soldier creature token. It seeks valor. (Give it that Oath Aura. Fulfill it by it dealing combat damage to a player to create a 2/1 white Soldier token.)
Whenever an enchantment you control enters, draw a card.

When this creature enters, create a Treasure token.

As this artifact enters, choose a creature type.
{T}: Put a muster counter on this artifact.
{T}: You may put a creature card of the chosen type with mana value equal to the number of muster counters on this artifact from your hand onto the battlefield.

When this creature enters, for each kind of counter on target permanent, put another counter of that kind on it or remove one from it.

At the beginning of combat on your turn, choose a permanent type at random. Each player sacrifices a permanent of the chosen type other than this enchantment. If no permanents were sacrificed this way, sacrifice this enchantment and create a 6/6 black and red Rat Mutant creature token with trample and haste.

Once each turn, when a creature card is put into your graveyard from anywhere, create a 1/1 blue and black Bird creature token with flying and “When this creature deals combat damage to a player, sacrifice it. If you do, draw a card.”
Whenever three or more creatures you control deal combat damage to a player, that player loses 1 life for each card in your hand.

Enchant creature you control
Whenever enchanted creature attacks, you draw a card and you lose 1 life.
{2}{B}, Sacrifice a creature: Return this card from your graveyard to the battlefield.

When this creature enters, surveil 2.
This creature can't be blocked as long as it has a -1/-1 counter on it.

This creature gets +1/+1 for each creature card in your graveyard.
{4}{R}, Sacrifice another creature: Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Activate only as a sorcery.

Vigilance
When this creature enters, create a 1/1 blue Bird creature token with flying.

Counter target creature spell.

When Resting Tombs enters, exile target creature an opponent controls until this enchantment leaves the battlefield.
If a creature would die, exile it instead.
{3}{B}{B}: Exile all creature cards from all graveyards. Transform Resting Tombs. Activate only as a sorcery.

At the beginning of your end step, put a creature card that's exiled with this enchantment onto the battlefield under your control. That creature becomes a 1/1 Spirit creature in addition to its other types and gains flying and “If this creature would die, put it on the bottom of its owner's library instead.”

When this enchantment enters, you may discard a card. If you do, look at the top six cards of your library. You may reveal a creature card with mana value 3 or less from among them and put it into your hand. Then shuffle.
If an effect would create one or more tokens under your control, it creates an additional one of those tokens of your choice.

At the beginning of combat on your turn, you may pay 3 life. If you do, target creature seeks secrets or valor. (Give it that Oath Aura. Fulfill secrets by attacking with it and two or more other creatures to draw a card. Fulfill valor by dealing combat damage to a player to create a 2/1 white Soldier token.)
Whenever you fulfill an Oath, each opponent sacrifices a nonland permanent.

Other Humans you control get +1/+1.
Whenever Righteous Chaplain or another Human you control enters, tap target creature an opponent controls.

Reach
Risen Lumberknot gets +5/+5 as long as you control eight or more lands.
Invocation — Whenever you spend four or more mana to cast a spell or activate an ability during your turn, untap all lands you control. This ability triggers only once each turn.

Flash
{3}, Exile this card from your graveyard: Draw a card.