msem-instigator

Target creature gains double strike until end of turn.
Showcase {2}{R}{R} (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.)

{T}: Add {C}.
{2}, {T}: Put target Aura or Equipment card from your graveyard on top of your library.

Destroy target creature with flying. Judge up to one target creature you control. (Honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)

Destroy target artifact or land. If {U} was spent to cast Liquefaction, draw a card.

As Damian, the Boss enters, pay up to 5 life. He enters with that many additional loyalty counters.
[–X]: You gain X plus 3 life.
[–1]: You draw a card and each opponent discards a card.
[–4]: Destroy up to one target creature. Create a 3/3 green Mole creature token.

Target opponent loses 1 life for each creature they control. You gain 2 life for each Wizard you control.

Field of Obelisks enters tapped.
As Field of Obelisks enters, choose a color other than white.
{T}: Add {W} or one mana of the chosen color.

When Stalwart Physicker enters, you may remove a -1/-1 counter from target creature.

{1}{U}: Target creature can't be blocked this turn.

{T}: Add {C}.
{X}: Crypt of Myriad Fates becomes a copy of target creature card with mana value X or less in your graveyard until end of turn, except it's 2/2 and a land in addition to its other types. Activate only outside of combat.

Colossal 4—{8} (You may cast this for its colossal cost to have it enter with four +1/+1 counters; or pay {8} as a sorcery: Put four +1/+1 counters on it if it has none.)
Abilities you activate that aren't mana abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Vial of Ice enters tapped.
{1}, {T}, Sacrifice Vial of Ice: Tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Flying

At the beginning of your second main phase, you may return a creature you control to its owner's hand. If you do, add {G}{U}.

Target opponent sacrifices a creature with the greatest power among creatures that player controls.
Fabled {3}{B}{B} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that player.)

Whenever equipped creature deals combat damage to a player, exile an instant or sorcery card from your graveyard. Then copy any number of cards exiled with Aukashi, the Rising Storm with mana value X or less and cast the copies without paying their mana costs, where X is the number of cards exiled with Aukashi.
Equip {2}

Whenever target creature deals combat damage to a player this turn, draw two cards.
Fuse (You may cast one or both halves of this card from your hand.)

Escalate {2} (Pay this cost for each mode chosen beyond the first.)
Choose one or more —
• Search your library for a card, put it into your hand, then shuffle.
• Return target card from your graveyard to your hand.
• Add {B}{B}{G}{G}.

Enchant creature without flying
Enchanted creature gets +10/+0 and attacks each combat if able.

Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Once each turn, when you cast a noncreature spell, create a 1/1 colorless Human creature token. Put a prowess counter on it.

Choose one —
• Target creature gets +0/+3 until end of turn.
• Target creature gains flying and lifelink until end of turn.

When Slayer's Grimoire enters, exile target non-Human creature an opponent controls until Slayer's Grimoire leaves the battlefield.
{2}{W}, {T}: You gain 2 life.

Manifest the bottom X cards of your library tapped, where X is the number of instant and sorcery cards in your graveyard. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)