msem-instigator

Choose any number —
• Counter target spell unless its controller pays {X}.
• Draw X cards, then discard a card.
• Create a tapped X/X blue Elemental creature token with flying.
Foretell {X}{U}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

{T}: Add one mana of any color.
Whenever you cast a foreshadowed spell, create a 2/2 black Zombie creature token.

Whenever you cycle a card, reveal the top two cards of your library. You may put a permanent card from among them into your hand. Put the rest on top of your library in any order or into your graveyard.
Cycling {2} ({2}, Discard this card: Draw a card.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

When Noble Pridelord enters, creatures you control get +1/+1 until end of turn.

You may have Icefang Wurm assign its combat damage as though it weren't blocked.
{4}{G}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

Whenever Savage Companion and another creature attack, if Savage Companion doesn't have first strike, put a first strike counter on it.

Destroy target artifact, enchantment, or creature with flying.

Oldgrove Nurturer enters with a +1/+1 counter on it.
{G}, Remove a +1/+1 counter from a creature you control: Create a 1/1 colorless Construct artifact creature token.

Trample
Other Dwarves and Elves you control get +1/+1.
If Harl and Finn or another Dwarf or Elf you control entering the battlefield or attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Choose two or four —
• Prove Worthy has lifelink and can't be countered.
• Prove Worthy deals 3 damage to target player or planeswalker.
• Prove Worthy deals 3 damage to target creature or planeswalker.
• Conjure a card named Fatigue and put it on top of your library. (It's a colorless sorcery that costs {2} with “Draw a card.”)

You may look at the top card of your library at any time.
Whenever one or more creatures attack you, you may pay {1}{U}. When you do, draw a card.

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

Flying
Other creatures you control with flying get +1/+1.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Scry 2.
II — Draw two cards.
III — Spells you cast this turn cost {2} less to cast.

Tinyvale Treetops enters tapped unless you played it from exile.
{T}: Add {G} or {W}.

Double strike
Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)

{2/U}, {T}: Target creature gets -4/-0 until end of turn.

Engorge (As this enters, mill three cards, then exile a card from among the milled cards.)
Deadland Mongrel gets +1/+1 if it engorged a creature card with power 3 or greater.

[+1]: Return target nonland permanent to its owner's hand. That player loses 2 life.
[0]: Create a 1/1 blue Bird creature token with flying for each loyalty counter on The Flock.
[–6]: You get an emblem with “If a permanent you don't control would leave the battlefield, you may instead exile it, then return that card to the battlefield under your control. It's a 1/1 blue Bird creature with flying.”

Knight spells you cast cost {1} less to cast.

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards. You gain 2 life.

Trample
Whenever a token you control enters, put a +1/+1 counter on target creature.

Wanderlust — When you cast this spell, you may copy it if you control four or more differently named lands. You may choose new targets for the copy.
Search your library for a creature or land card, reveal it, put it into your hand, then shuffle.