msem-instigator

Mindhunter Grizzly can't attack or block unless you scried this turn.
{5}{U}: Scry 1.

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
Revive {1}{B} ({1}{B}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Flash
Enchant instant or sorcery spell
Enchanted spell's text box is “This spell deals 3 damage to you.”
{4}{U}{U}{R}{R}: Return Mental Meltdown from your graveyard to the battlefield.

{2}{B}, Exile Lizhao's Soulblade from your graveyard: Return target creature card from your graveyard to your hand. Activate only as a sorcery.

Abandoned Meadow enters tapped if you control another nonbasic land.
{T}: Add {R} or {G}.

{R}, Sacrifice Firebelly Toad: It deals 3 damage to target player or planeswalker.

At the beginning of each player's draw step, that player draws an additional card.
Spells cost {1} less to cast.
Players may spend mana as though it were mana of any color.

Look at the top two cards of your library. Put one into your graveyard and the other back on top.

Flying
Sacrifice Crystalcatcher: Counter target creature spell unless its controller pays {1}.

Vanishing 10 (This permanent enters with ten time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
If you would lose 1 or more life other than to pay a cost, instead remove that many time counters from Serene Prayer. (If you would lose more life than there are time counters on Serene Prayer, the life loss is still prevented.)

Whenever Abyssal Stalker attacks, defending player discards a card at random.
When Abyssal Stalker dies, you may choose a creature. If you do, exile Abyssal Stalker. When the chosen creature leaves the battlefield, return Abyssal Stalker from exile to the battlefield tapped.

This spell costs {2} less to cast if you control a Scout.
Search your library for up to two basic land cards, reveal those cards, and put one onto the battlefield tapped and the other into your hand, then shuffle.

Whenever Sentry of Kollis Gate is dealt damage, put a +1/+1 counter on each other creature you control.

Vigilance, trample
Whenever another Horror you control enters, choose one —
• Destroy target artifact or enchantment.
• You gain 4 life.
• Apex Abomination fights another target creature.

Flying
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Kicker {2} (You may pay an additional {2} as you cast this spell.)
Reach (This creature can block creatures with flying.)
If Shadowcreep was kicked, it enters with two +1/+1 counters on it.

Spells and abilities you control that target Inconspicuous Sheep cost {1} less.
As long as Inconspicuous Sheep is enchanted or equipped, they're a 3/3 legendary Sheep Rogue named Agent S.

You may return a land you control to its owner's hand rather than pay this spell's mana cost.
Lumenbay Flyer Line enters tapped.
{T}: Add {W}.

Return any number of target nonland permanents with different mana values to their owners' hands. If seven or more permanents were returned this way, you may cast spells without paying their mana costs until end of turn.

{1}, {T}, Sacrifice Aureate Panorama: Search your library for a land card that could produce each color of mana, put it onto the battlefield, then shuffle.

[+1]: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.
[–2]: Koth, One True Hero deals damage to target creature equal to the number of Mountains you control.
[–7]: Create X 3/1 red Elemental creature tokens with trample and haste, where X is the number of Mountains you control.

Enchant player
Creature tokens enchanted player controls get +1/+1.

Target opponent chooses up to one creature. Destroy the rest.

For each Equipment you control, you may attach it to target creature you control.
Draw a card.