msem-instigator

Flying
Other Dragons you control have haste.
{R}: Dragons you control get +1/+0 until end of turn.

At the beginning of your end step, draw a card, then discard a card.
Whenever you cast a spell with mana value 5 or greater, if it's an instant or has flash, you may counter target spell.

{T}: Add {C}.
{2}, {T}: For each color among cards in your graveyard, add one mana of that color.

Put target artifact or enchantment with mana value less than or equal to the number of basic lands you control on the bottom of its owner's library.

Protection from sorceries
Whenever Magdel, Caller of Souls attacks, create a 1/1 white Spirit creature token with flying that's tapped and attacking for each storied permanent you control. Exile the tokens at end of combat. (Enchantments and legendary permanents are storied.)

When Meadow Songstress enters the battlefield, conjure three cards named Meadow Songstress and shuffle them into your main library.
Whenever a nontoken creature enters the battlefield under your control, if it shares a name with one or more other creatures you control, draw a card.

Gain control of target creature with power X or less.

Choose one —
• Exile target player's graveyard.
• Target player sacrifices a creature.

Choose one —
• Meteor Fall deals 4 damage to each creature and each planeswalker.
• Meteor Fall deals 8 damage to target creature or planeswalker.

Mirrorgate enters the battlefield tapped.
When Mirrorgate enters the battlefield, if it isn't a copy, choose a nonbasic land card name other than Mirrorgate.
Lands with the chosen name are copies of Mirrorgate.
{T}: Add one mana of any type that a land you control could produce.

Vigilance, reach, trample

When Ol' Sycamore enters the battlefield, choose up to two —
• Ol' Sycamore fights another target legendary creature.
• Destroy target noncreature storied permanent. (Enchantments and legendary permanents are storied.)

Flash
Oscanthor, Trader's Ruin can't be blocked.
Whenever a creature you control deals combat damage to a player, draw a card.

Counter target spell if you have more cards in hand than its controller.

Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy. Overclock deals X damage to you, where X is the number of spells you've cast this turn.

{T}: Add {C}.
{7}, {T}: Copy target instant or sorcery spell with {X} in its mana cost. You may choose new targets for the copy. This ability costs {1} less to activate for each instant and sorcery card in your graveyard.

At the beginning of each upkeep, create X 1/1 white Soldier creature tokens, where X is two plus the number of creatures you control.

This spell costs {3} less to cast if a creature died this turn.
Put target creature card with mana value X from a graveyard onto the battlefield under your control.

Each player sacrifices three lands. Regal Ignition deals 3 damage to each nonlegendary creature.

Trample
When Remnant of the Wild enters the battlefield, if you cast it, untap all lands you control.

Choose four nonland card names. Target opponent reveals their hand and discards all cards with the chosen names.

Whenever you cast a storied spell, you may pay {1}. If you do, draw a card. (Enchantments and legendary spells are storied.)
Sacrifice Right to Rule: Storied permanents you control gain indestructible until end of turn.

Trample
Players can't activate abilities of nonbasic, noncreature permanents.

At the beginning of your upkeep, you may pay {B}. If you do, return a Wizard card from your graveyard to your hand.

Whenever a storied permanent enters the battlefield under your control, each opponent loses 1 life and you gain 1 life. (Enchantments and legendary permanents are storied.)
{2}{B}{B}, Sacrifice Sinister Heir: Return target storied card from your graveyard to the battlefield.