msem-instigator

Whenever Vosh, the Champion attacks, if he's equipped, upgrade each attacking creature you control. (Give each one of the listed counters it doesn't already have. Upgrades are independent.)
• +1/+1
• First strike
• Menace
• Trample
• Lifelink
• Prowess

You may pay {0} rather than pay the glitch cost for spells you cast.
Whenever you cast a glitched spell, Warped Glitchmage deals 1 damage to target opponent.

[+2]: Tap target permanent. It doesn't untap during its controller's next untap step.
[–3]: Xenocrata, Reality Breaker deals 3 damage to each creature and each other planeswalker.
[–10]: Draw seven cards. You get an emblem with “Whenever you cast an instant or sorcery spell, untap all permanents you control.”

This spell costs {1} less to cast for each creature that died this turn.
At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.
{1}, Sacrifice another creature: Zarad gains indestructible until end of turn.

Prevent all combat damage that Ancient Guardian would deal to or be dealt by creatures with no counters on them.

When Appropriated Gear enters the battlefield, create a Treasure token.
Equipped creature gets +1/+1.
Equip {2}

Whenever you discard a card, exile that card from your graveyard.
{2}, {T}: Draw a card, then discard a card.
{4}, {T}, Sacrifice Bag of Holding: Return all cards exiled with Bag of Holding to their owner's hand.

If you would look at or reveal one or more cards of a library, you may first search that library for that many cards, shuffle that library, then put those cards on top of it in any order.

When Dragon-Forged Armor enters the battlefield, exile a creature card from a graveyard.
Equipped creature gets +X/+Y, where X is the power of the last creature card exiled with Dragon-Forged Armor and Y is its toughness.
Equip {2}

When Healing Potion enters the battlefield, scry 1, then draw a card.
{2}, {T}, Sacrifice Healing Potion: You gain 4 life.

Equipped creature has respawn. (When this creature dies, if it attacked this turn, return it to its owner's hand.)
Equip {1}

As long as it's your turn, equipped creature has first strike and deathtouch.
If equipped creature would deal damage to a player or planeswalker, it deals four times that damage to that player or planeswalker instead.
Equip {4}

When Mana Potion enters the battlefield, scry 1, then draw a card.
{2}, {T}, Sacrifice Mana Potion: Add two mana of any one color.

Equipped creature has vigilance and “{T}: Add one mana of any color.”
Equip {1}

{T}: Add {C}. Spend this mana only to cast a creature spell.
{T}, Sacrifice Waypoint Stone: Choose target creature card in your graveyard that was put there from the battlefield this turn. Return it to your hand.

{4}, {T}: Look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

Coastal Metropolis enters the battlefield tapped unless you have 15 or less life.
{T}: Add {W} or {U}.

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell with a creature type no creature you control has.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Fertile Steppe enters the battlefield tapped unless you have 15 or less life.
{T}: Add {G} or {W}.

{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.

Spawning Barrens enters the battlefield tapped unless you have 15 or less life.
{T}: Add {B} or {R}.

Thalassic Borough enters the battlefield tapped unless you have 15 or less life.
{T}: Add {U} or {B}.

Wild Peak enters the battlefield tapped unless you have 15 or less life.
{T}: Add {R} or {G}.