msem-instigator

Arm target creature you control. That creature gets 0/+2 and gains flying until end of turn. (To arm a creature, create a colorless Equipment artifact token with “Equipped creature gets +1/+0” and equip {2}, then attach it to that creature.)

Destroy target creature with mana value 2 or less. If it was a token, you gain 2 life.

Trample
Death knell — Put a +1/+1 counter on Tempest Dodger. (As a creature you control dies, trigger one death knell of that creature or another permanent you control.)

Temple Recluse gets +1/+0 as long as you've cast a noncreature spell this turn.

Players skip their untap steps during extra turns.

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.)
Tenacious Brawler enters with X +1/+1 counters on it.

When Terraformer's Globe enters, draw a card.
{T}: Target land you control becomes the basic land type of your choice until end of turn.

Voracious 2 (As this enters, you may sacrifice up to two artifacts and/or creatures. This creature enters with that many +1/+1 counters on it.)

Create an X/X green Mutant creature token.
Draw a card.

Trial 3 (As you cast this spell, an opponent of your choice may pay 3 life. If they don't, they fail the trial.)
Discard a card, then draw a card. If the trial was failed, you may instead discard two cards. If you do, draw two cards.

Enchant nonland permanent
Enchanted permanent's activated abilities can't be activated and triggered abilities of enchanted permanent don't trigger.

When Thailen's Guard dies, you gain 2 life and scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

First strike
Thailen, Heir to Daeland's power is equal to the number of other attacking or blocking creatures you control.

When Thallid Cultivator dies, mill four cards. Return a creature card milled this way to your hand.

Your opponents play with their hands revealed.
Whenever you cast a spell with the same name as a card in an opponent's hand, draw two cards.

Until end of turn, target creature you control gains “{T}: Destroy target creature.”

Cards in your hand have lifecycle {3}.
{2}{G}, Sacrifice four creatures: Create two tapped 4/4 green Chimera creature tokens.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)

Harvest (You may tap any number of creatures you control as you cast this spell. If you do, reduce this spell's mana cost by their total power.)
Create an X/X green Beast creature token. Each opponent creates three 1/1 white Citizen creature tokens.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Target player discards a card and gets a poison counter.
Coalesce {4}{B}{B} (You may cast this from your graveyard for {4}{B}{B}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)

Whenever equipped creature dies, put a doom counter on The Pactbinder's Cane. Then if it has six or more doom counters on it, you may search your hand, library, and graveyard for a creature card with mana value 5 or greater, put it onto the battlefield, then shuffle. If you do, exile The Pactbinder's Cane.
Equipped creature gets +1/+0.
Equip {1}

Creatures you control get +1/+1 until end of turn.
Showcase {2}{W}{W} (Then if you cast this for its showcase cost, create a 1/1 red Bard creature token that can't block and exile this. Whenever it attacks, you may cast a free copy of this.)

At the beginning of each end step, if you gained life this turn, put a +1/+1 counter on up to one target creature.

{T}: Draw a card. Activate only if Theoretical Scholar is embattled. (A creature is embattled if it has a counter on it or a permanent you control attached to it.)

Target creature gets +1/+3 and gains hexproof until end of turn.