msem-instigator

{2}, {T}: Choose a permanent you control. Reveal the top five cards of your library. You may merge one of those cards that shares a card type with the chosen permanent under it. It has those card's abilities. Put the rest on the bottom of your library in any order.

If a spell, ability, or creature an opponent controls would deal 4 or more damage to you or cause you to lose 4 or more life, you lose 4 life instead. (Damage won't be dealt.)

At the beginning of your upkeep, you win the game if the total mana value of permanents you control is exactly 21. If it's more than 21, sacrifice Gambling Table and all Card tokens you control. Otherwise, create a colorless Card artifact token with mana cost {2} and “{2}, Sacrifice this artifact: Draw a card.”

Equipped creature gets +6/+6.
If equipped creature would deal combat damage to a creature or planeswalker, instead gain control of that permanent for as long as you control Glorious Plate.
Equip {6}

Activated abilities of other permanents cost an additional “Sacrifice a permanent” to activate unless they're mana abilities.
{2}, {T}, Sacrifice Nullifier of Planar Energy: Remove all counters from target nonland permanent.

Menace
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

{T}: Exile target creature you control.
{2}, {T}: Target creature you control becomes a copy of a card exiled with Ring of Remembrance until end of turn.
{4}, {T}, Sacrifice Ring of Remembrance: Each creature becomes a copy of a card exiled with Ring of Remembrance until end of turn.

Whenever you sacrifice a permanent, you may put a soul counter on Soul's Guidestone.
As long as there are five or more soul counters on Soul's Guidestone, it's a 6/6 Golem artifact creature with menace and vigilance.

Equipped creature gets +2/+2 and has protection from mana value 2 or less and from mana value 6 or greater.
Whenever equipped creature deals combat damage to a player, create a Food token and two Treasure tokens.
Equip {2}

Players skip their untap steps during extra turns.

Prevent all noncombat damage that would be dealt to equipped creature.
Equipped creature has hexproof as long as it's your turn.
Equip {1}

As Angelic Barracks enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.
{T}: Add {U}, {R}, or {W}.

{T}: Add {C}.
{5}, {T}, Sacrifice Ascendant's Cell: You may activate loyalty abilities of planeswalkers you control twice this turn rather than only once.

As Citadel Gates enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.
{T}: Add {B}, {R}, or {G}.

As Coveted Tower enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.
{T}: Add {G}, {U}, or {R}.

{T}: Add {C}.
{3}{G}: Until end of turn, Damian's Undercity becomes a 2/2 creature. It's still a land. It has lifelink if {W} was spent to activate this ability, gets +0/+3 if {U} was spent, and has deathtouch if {B} was spent.

{T}: Add {C}.
{3}{R}: Until end of turn, Defect's Precinct becomes a 3/3 creature. It's still a land. It has trample if {G} was spent to activate this ability, has vigilance if {W} was spent, and has hexproof if {U} was spent.

As Den of Vice enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.
{T}: Add {U}, {B}, or {R}.

As Destroyed Isle enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.
{T}: Add {W}, {U}, or {B}.

Exotic Vista enters the battlefield tapped.
{T}: Add {G} or {U}.
When Exotic Vista enters the battlefield, you may put a loyalty counter on a planeswalker you control.

Giant's Temple enters the battlefield tapped.
{T}: Add {G}.
{2}{G}, {T}: Target nonland permanent you control becomes a creature with power and toughness equal to its mana value until end of turn. (It loses all other types.)

Haunted Hovel enters the battlefield tapped.
{T}: Add {W} or {B}.
When Haunted Hovel enters the battlefield, you may put a loyalty counter on a planeswalker you control.

Heretic's Home enters the battlefield tapped.
{T}: Add {R} or {G}.
When Heretic's Home enters the battlefield, you may put a loyalty counter on a planeswalker you control.

Humble Bridge enters the battlefield tapped.
{T}: Add {R} or {W}.
When Humble Bridge enters the battlefield, you may put a loyalty counter on a planeswalker you control.

Inquisitor's Chamber enters the battlefield tapped.
{T}: Add {B}.
{B}{B}, {T}, Sacrifice another permanent: Draw a card.