msem-instigator

Lifelink
Frenzied Watchkeeper enters with six -1/-1 counters on it.
At the beginning of each end step, if an opponent lost life this turn, remove a -1/-1 counter from Frenzied Watchkeeper.

Trample
When Ghastly Progenitor enters, each opponent reveals their hand. Choose two nonland cards revealed this way. Their owners discard those cards.

Reach, trample
Deploy 6 (As this enters, you may tap any number of other creatures you control with total power 6 or more.)
When Glaistig of Wild Hunts enters, if it was cast and deployed, untap all lands you control.

Flying, trample
When this creature transforms into Griselbrand, the Usurper, draw seven cards.

Once each turn, when Groz, the Nightshaper enters or you attack with one or more Horrors, you may return target nonlegendary creature card from your graveyard to your hand. Then if Groz isn't a token, create a token that's a copy of that creature card.
{2}{B}{B}, Discard Groz: Create a token that's a copy of Groz, the Nightshaper, except it's 4/4 and isn't legendary. Activate only as a sorcery.

Menace
At the beginning of your end step, He of All Hallow's Eve deals damage equal to its power to you unless you're horrific. (You're horrific as long as you've sacrificed a permanent or discarded a card this turn.)

Menace
When Heart of the Deadwood enters, destroy up to one target creature, then put up to one target creature card from a graveyard onto the battlefield under your control.

Flying
If a source without flying would deal damage to you, prevent 2 of that damage.
Crew 5

At the beginning of your upkeep, scry 2.
Reveal the top card of your library: If a creature card with flying was revealed this way, Imperial Chimera gains flying until end of turn. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

Flash
You may cast this spell from your graveyard, but not from anywhere else. When you do, destroy target permanent.

Trample, vigilance
You may cast Iteration Devourer from your graveyard by exiling seven other cards from your graveyard in addition to paying its other costs.

Flying
When Kai'Dwo, Eternal Ravager enters, create seven Idol tokens. (They're artifacts with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)
Whenever you sacrifice an Idol, each opponent sacrifices a creature.

Indestructible
As long as your devotion to blue and red is less than seven, Keranos isn't a creature.
Whenever you cast an instant or sorcery spell, you may copy that spell. Do this only once each turn. You may choose new targets for the copy.

Trample
Whenever Komurk Harvester or another creature you control dies, draw cards equal to that creature's power.

Trample
When Leech-Encrusted Div enters, judge each creature you control. (Honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)

You may have Ligneous Enormity assign its combat damage as though it weren't blocked.
Madness {3}{G}{G} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

{R}{G}, Reveal Living Supernova from your hand: Put a land card from your hand onto the battlefield tapped. Activate only as a sorcery.
Whenever Living Supernova or a land you control enters, exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Haste
Whenever you cast a spell, if you spent mana to cast it, draw a card. Then you may cast a card with mana value less than that spell's mana value from your hand without paying its mana cost.

Trample, hexproof
When Maw of a Thousand Worlds enters, distribute X +1/+1 counters among creatures you control, where X is the number of differently named lands you control.
When Maw of a Thousand Worlds dies, you may remove any number of counters from among permanents you control. For each counter removed this way, draw a card.

Trample
Enchantment spells and Aurashaper spells you cast cost {1} less to cast.
Whenever another enchantment you control enters, draw a card.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Mighty Xioshu can't be blocked by creatures with power 2 or less as long as you're in a renaissance.

Hexproof
Mist-Valley Ancient enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

Indestructible
As long as your devotion to black and red is less than seven, Mogis isn't a creature.
At the beginning of your upkeep, each player discards a card. Then you draw a card. If an opponent can't discard a card or discarded a land card, you create a 2/3 red Minotaur creature token.

Menace
At the beginning of your end step, Mountain Tyrant deals 1 damage to each creature you don't control.

Indestructible
As long as your devotion to green is less than five, Nylea isn't a creature.
Whenever another creature you control deals combat damage to a player, draw a card.
{1}{G}: Until end of turn, another target creature you control gains haste and can't be blocked by creatures with power 3 or less.