msem-instigator

Trample
Whenever a land you control becomes tapped, Loamwrecker gets +1/+1 until end of turn.

Create four 1/1 red and white Warrior creature tokens.

Return target nonland permanent to its owner's hand.
Dominance — If you control the creature with the greatest power or tied for the greatest power, you may put that permanent on top of its owner's library instead.

Submerge target spell. (To submerge a card, exile it, then put it on the battlefield face down under its owner's control as a 2/2 creature.)

[+1]: Move a counter from up to one target permanent onto another permanent that shares a type with it.
[–1]: Target creature gets -1/-3 until end of turn.
[–5]: Search target opponent's library for a creature or planeswalker card and put that card onto the battlefield under your control. Then that player shuffles.

Lumbering Stoneshell has hexproof as long as it's untapped.

Alpha (You may have this creature enter the battlefield with a +1/+1 counter on it. If you do, it becomes alpha and can only attack alone.)
Hexproof

Tap up to two target creatures an opponent controls. Those creatures don't untap during their controller's next untap step.
Create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

When Maiden of the Daffodils dies, you may return target land card from your graveyard to the battlefield.

First strike
When Majestic Monitor enters the battlefield, if you control a legendary creature, creatures you control get +1/+0 and gain haste until end of turn.

Return target creature card with mana value 5 or less from your graveyard to the battlefield.
Metamorph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up and cast it at any time for its metamorph cost.)

Enchant creature
Enchanted creature has first strike and trample.

Whenever Malignant Afflicted perseveres, destroy target creature an opponent controls that dealt damage this turn. (A creature perseveres when it survives damage.)

Whenever a non-Serf creature enters the battlefield under your control, create a 0/1 black Serf creature token.
Sacrifice a Serf: Target creature you control gets +0/+1 until end of turn.

Dominance — When Mammoth Crab enters the battlefield, draw a card if you control the creature with the greatest power or tied for the greatest power.

Maniac Macaque attacks each combat if able.
Whenever Maniac Macaque becomes blocked by a creature, Maniac Macaque deals 1 damage to that creature.

{T}: Discard two cards. If you do, draw two cards.

Enchant creature
When enchanted creature dies, you draw three cards and you gain 3 life.

Menace (This creature can't be blocked except by two or more creatures.)

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, you may switch Master of Tranquility's power and toughness until end of turn.

Enchant creature
Enchanted creature has defender.

Enchant creature
Enchanted creature gets +1/+1.
{W}: Enchanted creature gains vigilance until end of turn.
{1}{W}: Enchanted creature gains first strike until end of turn.

When Mausoleum Rite enters the battlefield, each player mills four cards.
{2}{B}, Exile a creature card from your graveyard: Create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

Alpha (You may have this creature enter the battlefield with a +1/+1 counter on it. If you do, it becomes alpha and can only attack alone.)