msem-instigator

Draw two cards. Then discard a card unless you control an embattled creature. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

You can't cast this spell unless you revealed a card named Ancient Tome from anywhere this game.
{T}: Draw a card.
Cycling {2} ({2}, Discard this card: Draw a card.)

Codex — Earthcraft; Enchantress's Presence; Dream Halls; Energy Field; Eldrazi Conscription. (As this enters, conjure its contents into a shuffled face-up additional library.)
You can't draw from this codex's library.
If a permanent you control would explore, you may put a card from this codex's library into your hand instead.

Choose two —
• Target creature gets -2/-2 until end of turn.
• You gain 2 life.
• Amass Soldiers 1. (Put a +1/+1 counter 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.)

Spirited (When this enters, you may activate one of its activated abilities without paying its cost.)
{1}, {T}, Discard a card: You gain 4 life.
{2}, {T}, Pay 2 life: Create a 1/1 colorless Construct artifact creature token. It can't block this turn.
{3}, {T}, Sacrifice a permanent: Draw a card.

Equipped creature gets +1/+1.
As long as equipped creature is multicolored, it gets an additional +1/+1.
Equip {1}

Enchant creature
When Angel's Favor enters, draw a card.
Enchanted creature gets +0/+2 and has flying.

{T}, Reveal an Angel card from your hand: For each of that card's colors, add one mana of that color.

Flash
Rhapsody {5}{U}{U} (Pay {5}{U}{U} to cast this as a 4/4, or once it is in play to make it become a 4/4.)
Animus Channeler's rhapsody cost can be paid any time you could cast an instant.

Flash
You may cast Elemental spells as though they had flash.
Once each turn, when you cast an instant spell, you may put a +1/+1 counter on target Elemental you control.

Create two 1/1 red Elemental creature tokens.

When Ankulith Shard enters, draw a card.
{1}, {T}: Add one mana of any color.

Lifelink
When Anointed Cursebreaker enters, you may exile target artifact or enchantment an opponent controls. When Anointed Cursebreaker is no longer on the battlefield, return the exiled card to its owner's hand.

Anomalion enters with a +1/+1 counter on it.
{1}{G}{W}: Permutate. (You may remove a counter from a creature you control. If you do, put two +1/+1 counters on a different creature you control.)

Until end of turn, target creature loses all abilities and becomes a colorless Human with base power and toughness 1/1 and no name.

When Anran's Radical enters, you may look at the top six cards of your library, then you may discard a card. If you do, reveal a card from among them with mana value 5 or greater or with {X} in its mana cost and put it into your hand. Put the rest on the bottom in a random order.
{T}: Add {C}.

Exile the top five cards of your library. You may put a creature card from among them with mana value 2 or less onto the battlefield.

Counter target spell if it shares a color with mana spent to cast Antimagic.

This spell can't be countered.
Draw a card for each different mana value among nonland permanents you control.

Hexproof
Art of war — At the beginning of your end step, if Aokara Elite dealt damage to an opponent this turn, scry 2. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

As Aparodist enters, choose a non-Human creature type.
Aparodist is the chosen type in addition to its other types.
{1}, {T}: Put a +1/+1 counter on each creature you control of the chosen type.

Target creature gets -3/-2 until end of turn.

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.
Compose (Then if you cast this from your hand, exile it and create a Saga token with “r3—You may cast a copy of this card from exile without paying its mana cost.”)

Whenever Apprehensive ‘Slinger deals combat damage to a player or planeswalker, you may discard a card. If you do, draw a card.

When Appropriated Gear enters, create a Treasure token.
Equipped creature gets +1/+1.
Equip {2}