When Humble Barkeep enters, create a Food token.
Whenever you sacrifice a Food, put a +1/+1 counter on Humble Barkeep.

Trample, haste
When Impetuous Knight enters, target opponent creates a Windmill artifact token with “{T}: Prevent all combat damage target Knight would deal to you this turn”.
Impetuous Knight attacks each combat if able as long as an opponent controls a Windmill.

Target creature gets +2/+2 until end of turn. Untap that creature. Put a flying counter on it.

When Indentured Labourer enters, you draw a card and lose 1 life.

Target blocking creature you control dares 10.

{3}, {T}: Choose a number between 1 and 4. Flip a coin. If you win the flip, Infernal Machine deals that much damage to any target. Otherwise, Infernal Machine deals that much damage to you.

Flash
Deathtouch

Whenever another creature you control enters, you may have Inspired Youth dare X, where X is that creature's power.

Whenever a creature you control attacks alone, it fights up to one target creature defending player controls.

Target player mills twice X cards.

Counter target spell. That spell's controller reveals their hand.

Other legendary creatures you control get +1/+1.
Whenever a legendary creature you control attacks, exile the top card of your library. You may play that card this turn.
Whenever you cast your fifth spell each turn, Juana deals 10 damage to any target.

Exile target nonland permanent. You gain 1 life for each counter on that permanent.

At the beginning of your upkeep, remove all counters from La Bete du Harnelle, then put two different counters of your choice not removed this way from among deathtouch, reach, vigilance, trample, or hexproof on it.

Whenever you cast an instant or sorcery spell, surveil 1. Lanternlight Assailant gets +1/+0 and gains flying until end of turn.
As long as there are five or more instant and/or sorcery cards in your graveyard, instant and sorcery spells you cast cost {1} less to cast.

Menace
Indulgence
Whenever you indulge, put a +1/+1 counter on Lavish Host.

Instant and sorcery spells you cast cost {1} less to cast.
{2}{U}: Level 2
When this Class becomes level 2, you may return target instant or sorcery card from your graveyard to your hand.
{3}{U}: Level 3
Once each turn, when you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copies.

Target creature gets +2/+0 and gains indestructible and lifelink until end of turn.

Choose one —
• Draw three cards.
• Return up to two target creatures to their owners' hands.

Exile target creature or planeswalker with mana value 3 or less. Its controller creates a Food token.

Indulgence
When Lost in the Moment enters, draw a card then discard a card.
Whenever you indulge, each opponent mills four cards.

Flash
When Louna, the Ever-Learning enters, for each kind of counter among permanents you control, you may put a counter of that kind on Louna, the Ever-Learning.

Flying
Lurking Gargoyle enters with your choice of counter from among deathtouch, menace or vigilance on it.

Flash
Lyceum Project enters with a +1/+1 counter and a flying counter on it.
When Lyceum Project dies, you may put its counters on target creature.