msem-instigator

Reveal the top five cards of your library. You may put a permanent card revealed this way into your hand and the rest into your graveyard.

Other creatures you control named Starfall Dancer get +2/+2.

When Kaneh Scribe enters, amass Soldiers 2. (Put two +1/+1 counters on an Army you control. It's also a Soldier. If you don't control one, create an 0/0 black Soldier Army creature token first.)

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)
Equipped creature gets +1/-1.
Whenever equipped creature dies, draw a card. This ability triggers only once each turn.
Equip {1}

{1}{R}, Discard a card: Draw a card. Mist-Valley Minotaurs gets +2/+0 until end of turn.

Flying
Whenever you attack with two or more creatures with flying, each opponent discards a card.

When Dream Keeper enters, each player conjures a card named Fatigue and puts it on top of their library. (It's a colorless sorcery that costs {2} with “Draw a card.”)
Whenever a player draws a card except the first one they draw in each of their draw steps, each opponent mills a card.

[+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.

Immolated Grave enters tapped.
{T}: Add {R}.
{2/R}{2/R}: Immolated Grave becomes a 3/1 red Elemental creature with first strike until end of turn. It's still a land.

Overclock (You may have this creature overclock an artifact you control when either enters. If you do, it stops overclocking any other artifacts.)
Overclocked artifact has “{R}, {T}: This artifact deals 1 damage to any target.”

Target creature you control deals damage equal to its power to another target creature. You gain life equal to the damage dealt this way.

Unyielding Aswaran can't be blocked by Armies.

Whenever a creature enters, return each other creature controlled by the same player to its owner's hand.

Enchant creature
Enchanted creature gets +1/+3 and has flying.

Enchant creature
Enchanted creature gets +0/+1.
Enchanted creature deals combat damage equal to its toughness rather than its power.

Creatures you control can't be blocked by creature tokens and/or creatures with defender.
At the beginning of your end step, if Garrison Intruder didn't attack this turn, transform it.

When Paw Valley Pathfinder enters, reveal the top card of your library. If it's a land card, draw a card.

As an additional cost to cast this spell, sacrifice a creature.
Look at the top three cards of your library. Put two of them into your hand and the other into your graveyard.

Tithe (As you cast this spell, you may tap three artifacts and/or creatures you control.)
Faradia's Outrage deals X damage to any target. If this spell's tithe was paid, it deals X damage divided as you choose among any number of targets instead.

You have hexproof.
Whenever a creature deals combat damage to you or a planeswalker you control, Mask of Shikai deals 1 damage to that creature.

Equipped creature gets +1/+0 for each instant and sorcery card in your graveyard.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Flash
Flying
Prodigious Panya has base power and toughness 4/4 during extra turns.

Whenever you cast a cryptic spell, create a 1/1 white Human creature token with lifelink. (Artifacts, enchantments, and modal spells are cryptic.)

Choose one —
• You gain hexproof until end of turn.
• Target creature you control gains double strike until end of turn.
• Exile target card from a graveyard. You gain 4 life.

Reconstruct {4}{B}{B}{B} (You may cast this from your graveyard for its reconstruct cost reduced by the mana value of a permanent you sacrifice as you cast it this way. Then exile this.)
Destroy all creatures. If The Afterlife Takes Its Due was reconstructed, create an X/X black Zombie Horror creature token, where X is the number of creature cards that have been put into graveyards this turn.