msem-instigator

Noxious Garden enters tapped.
As Noxious Garden enters, choose a color other than black.
{T}: Add {B} or one mana of the chosen color.

Glitch {2} (Remove one [restriction] for each time you pay the glitch cost.)
Tap up to two target creatures [with the same name]. Those creatures don't untap during their controller's next untap step.

As Tree of Timelines enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {B}, {G}, or {U}.

Target creature gains lifelink or winnow until end of turn. (Damage dealt to it also causes its controller to lose that much life.)
Put the bottom card of your library into your hand.

As Holdsteady Engine enters, choose a card name.
Cards with the chosen name entering the battlefield don't cause abilities to trigger.
Activated abilities of cards with the chosen name can't be activated unless they're mana abilities.

(As this Discovery enters and after your draw step, add a progress counter. Stop after you've discovered.)
Target creature or planeswalker you control explores.
You may play an additional land this turn.
C — At the beginning of your upkeep, if you control seven or more differently named permanents, create a 1/1 Scout creature token that's all colors.

Deathtouch, hexproof from non-Adventure
Whenever a creature dealt combat damage by a creature you controlled this turn dies, draw a card.

Flash (You may cast this spell any time you could cast an instant.)
When Mist Lurker enters, tap all creatures you don't control.

Exile the top card of your library. Until end of turn, you may play that card. If that card is an instant or sorcery card, it costs {2} less to cast this turn.

Flash
When Hostile Takeover enters, you may counter target noncreature spell.
At the beginning of your upkeep, you may put a progress counter on a Project you control.

When Wayfaring Swindler enters, destroy all permanents attached to target creature.

Whenever equipped creature attacks, exile the top card of your library. Equipped creature gets +X/+0 until end of turn, where X is the mana value of that card. Until end of turn, you may play that card.
Equip {2}

Menace

When Fidelity of the Pure dies, create a 1/1 green and white Elk Spirit creature token.
Revive {2}{W} ({2}{W}, 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.)

Hexproof
Spells you cast cost {1} less to cast for each creature you control that shares a creature type with that spell.

{X}{X}{W}, {T}, Sacrifice Tome of Loss: Return each creature card with mana value X or less from your graveyard to the battlefield.

Whenever an opponent draws a card, you may draw a card.

Cast this spell only during your turn and only during the declare attackers step or with its acquiesce ability.
Untap all creatures you control. After this phase, there is an additional combat phase.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

Flash
Whenever you draw a card during an opponent's turn, you get a glory counter. (You lose glory counters before life. A player with ten or more glory counters wins the game.)

At the beginning of your first main phase, add {R}.
Whenever a colossal ability puts one or more counters on a creature you control, Draconic Symphony deals 2 damage to any target.

Until end of turn, creatures you control gain “Creatures with power less than this creature's power can't block it.”

Return up to three target land cards from your graveyard to your hand.
Coalesce {6}{G} (You may cast this from your graveyard for {6}{G}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)

Once each turn, when a permanent is exiled from the battlefield by a spell or ability you control, you may draw a card.

Put a +1/+1 counter on up to one target creature. (Then exile this card. You may play the land later from exile.)