msem-instigator

Protection from tokens
[+1]: Each player may draw a card. For each opponent that does, you gain 1 life and create a 1/1 colorless Construct Actor creature token
[–2]: Each player sacrifices a creature. Create a token that's a copy of a creature sacrificed this way.
[–7]: Until end of turn, each creature you control becomes a 6/6 black Horror creature with trample, menace, and lifelink.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{U}{R}: Target creature without prowess gains prowess until end of turn. Activate only if Intelligence is in your graveyard.

Haste
Disgraced 1 (This enters with a -1/-1 counter. Whenever it deals combat damage to a player, remove all -1/-1 counters from it.)

Whenever you make first contact, create a Treasure token. (You make first contact the first time each turn you cast a spell with a name not in your graveyard or control already.)
{T}, Return an artifact with mana value X you control to its owner's hand: You may cast a spell with mana value X plus 1 or less and with a different name from your hand without paying its mana cost.

Haste
Frenzy 3 (Whenever this creature attacks and isn't blocked, it gets +3/+0 until end of turn.)
Whenever Anaz, Bloodmother attacks, create a 2/1 red Lizard creature token with frenzy 2 that's tapped and attacking.

Lands target player controls don't untap during their controller's next untap step. Tap up to one target land that player controls.

Whenever a creature you control enters for the first time each turn, you may sacrifice it. If you do, exile cards from the top of your library until you exile a creature card. Put that card onto the battlefield.

Choose one. If an opponent lost 3 or more life this turn, choose any number instead.
• Target player sacrifices a legendary creature.
• Target player reveals their hand. You choose a nonland card from it. That player discards that card.
• Exile target player's graveyard.

Whenever another enchantment you control enters, you get a glory counter. (You lose glory counters before life. A player with ten or more glory counters wins the game.)

As Vaertris' Master Plan enters, exile the top five cards of any player's library.
You may play cards exiled with Vaertris' Master Plan.
When there are no cards exiled with Vaertris' Master Plan, return it to its owner's hand.

Trample
When Spikehorn Behemoth leaves the battlefield or phases out, draw a card.

Create a token that's a copy of target creature card in your graveyard, except it has no mana cost.

Sacrifice a creature: Harrowing Knight gets +2/+2 until end of turn.

Discard a card: Bloodshot Berserker gets +1/-1 until end of turn. Any player may activate this ability.

Trample, haste
When Dashing Rager enters, attach all Equipment on the battlefield to it. (Control of the Equipment doesn't change.)
At the beginning of the end step, sacrifice Dashing Rager.

Return target card from your graveyard to your hand.

Remarkable Hunter must be blocked if able.

Whenever another creature you control dies, you may pay {1}. If you do, scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Whenever a land you control enters, you gain 1 life.
{3}{G}, Sacrifice Sower of Spring: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Choose X. You may choose the same mode more than once.
• Counter target spell unless its controller pays {3}.
• Return target nonland permanent to its owner's hand.
• Target player draws a card.

Up to two target creatures can't be blocked this turn. Until end of turn, whenever either of those creatures deals combat damage to a player or planeswalker, you draw a card.

Flash
Whenever a permanent with an Adventure you control enters, put a +1/+1 counter on Wandering Dingo.

When Bearer of Silk Chains enters, gain control of target nonland permanent until Bearer of Silk Chains leaves the battlefield. If that permanent is a Horror, gain control of it instead.

{6}: Create a 1/1 black Worm creature token.

Each player chooses a legendary permanent from among the nonland permanents they control, then sacrifices the rest.