msem-instigator

{R}: You may put a Rebel creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

Whenever you cast a noncreature spell, Dynamic Wyvern gains flying until end of turn.

{2}{R}, Sacrifice an artifact or land: Draw a card. Edelber Mine Captain deals 1 damage to each opponent.

At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card if it's an instant or sorcery card.

Haste
Whenever you cast an instant spell, exile that card inscribed onto Lord Asharo instead of putting it anywhere else as it resolves.
{T}: Cast a copy of an inscribed card without paying its mana cost.

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

You may cast instant and sorcery cards from your graveyard. Spend no more than one mana of each color to cast spells this way each turn. If a spell cast this way would be put into your graveyard, exile it instead.

Chronicle (As this enters and after your draw step, add a lore counter. Stop after III.)
[Lore I-II] Create a 1/1 red Satyr creature token with “This creature can't block.”
[Lore III] Creatures you control get +1/+0 until end of turn.

Enspirit (As you cast this spell, you may exile a nonenchantment creature you control until this leaves the battlefield or fails to resolve. Reduce this spell's cost by the exiled card's mana value.)
At the beginning of your upkeep, create a token that's a copy of the enspirited card. It gains haste until end of turn. Exile it at the beginning of the next end step.

At the beginning of your upkeep, you may pay {1}{G/U}. If you do, proliferate. (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)
At the beginning of your end step, you may pay {1}{G/U}. If you do, populate. (Create a token that's a copy of a creature token you control.)

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
Damage dealt to tapped creatures your team controls also causes you to gain that much life.
Whenever a nontoken creature you own dies, create a token that's a copy of it.

At the beginning of your upkeep, return a permanent you control to its owner's hand.
You may play an additional land on each of your turns.

Trample
Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)

When Gendran Hostess enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Flash (You may cast this spell any time you could cast an instant.)
When Gorillas in the Mist enters, prevent all combat damage that other creatures would deal this turn.

Whenever another nonland creature you control dies, return it to the battlefield tapped with a sapling counter on it. It becomes an Animus land named Bitter Hazel, loses all other card types, and gains “{T}: Add {G}” and “Pay this card's mana cost: This land becomes a creature until end of turn. It's still a land.”

Vigilance
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.)

Improve {1}{G/U} ({1}{G/U}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
You may play an additional land on each of your turns.
Wanderlust — At the beginning of your end step, if you control four or more differently named lands, you may draw a card.

Reach
At the beginning of your end step, if you created one or more creature tokens this turn, create a 1/2 green Spider creature token with reach.

Whenever another nontoken creature you control enters, you may exile a number of cards from your graveyard equal to its mana value. If you do, create a token that's a copy of it, except the token isn't legendary if the creature is legendary.
{1}{B/G}: Look at the top card of your library. You may put that card into your graveyard.

Parasitic Bloodsucker gets +1/+1 as long as you control a Swamp.
{2}{B}: Parasitic Bloodsucker gains lifelink until end of turn

Reach

Whenever Solvent Tide attacks, create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)

Concord — At the beginning of combat on your turn, if there are four or more card types among permanents you control, Sturdyshell Hammerclaw gets +2/+1 and gains trample until end of turn.

Vigilance
When Tamaak Confidant enters, you gain 6 life if you control three or more Satrapies.