Tempting Darkfiend enters with a flying counter on it unless an opponent pays 2 life. The same is true for menace, deathtouch, lifelink, and indestructible counters.

Deathtouch
{1}{B}, {T}, Pay 1 life: Create a Food token.
Once each turn, when you sacrifice one or more non-Rat permanents, you may pay {B}. If you do, create a 1/1 black Rat creature token with “This creature can't block.”

Deathtouch
Whenever another creature you control dies, you may have Underhanded Revolutionary dare 3.

Flying, menace
As Uninvited Vampire enters, choose a creature an opponent controls. Uninvited Vampire has defender as long as that creature is on the battlefield.

Target player sacrifices a creature or planeswalker. You may put a deathtouch counter on up to one target creature you control, then that player loses 1 life for each creature you control with deathtouch.

Protection from deathtouch
{T}: Put a deathtouch counter on another target creature. Activate only as a sorcery.

As an additional cost to cast this spell, sacrifice a creature or Food.
Destroy target creature or planeswalker.

Indulgence
Whenever you indulge, each opponent loses 2 life.

Whenever another creature dies, if it had one or more counters on it, you may put one of those counters on Wicked Steed.

Lifelink
When Wretched Sackman dies, create a 2/2 black Zombie creature token with “This creature can't block.”

Absolver of Ashes enters with a trample, first strike, menace, and +1/+1 counter on it.
At the beginning of your upkeep, remove a counter from Absolver of Ashes. If you can't, sacrifice it.

Menace
Whenever you cast an instant or sorcery spell with mana value 4 or greater, put a +1/+1 counter on Alehana's Fleshsearer.

Menace
Bastion Breaker can't block.

Trample
When Belligerent Peluda enters, it deals 2 damage to any target.

When Bladeforge Instructor enters, put a first strike counter on target creature you control.

Once each turn, when you play a card from anywhere but your hand, you may create a tapped Treasure token.
{2}{R}: Level 2
At the beginning of your upkeep, exile the top card of your library. You may play that card this turn.
{3}{R}: Level 3
Whenever another permanent you control leaves the battlefield, this Class deals 1 damage to any target.

Braise deals 5 damage to target creature or planeswalker. When it dies this turn, its controller creates a Food token.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Creatures you control with menace get +1/+0 until end of turn.

Target attacking creature gets +3/+3 until end of turn. Put a trample counter on that creature.

Whenever a creature you control dies during your turn, you may exile the top card of your library. You may play that card until you exile another card with Campaign of Retribution.

Cinder Hatchling gets +3/+0 as long as you've cast an instant or sorcery spell with mana value 4 or greater this turn.

Target creature gets +X/+0 until end of turn.
Draw a card.

Trample
Whenever one or more creatures you control with trample deal combat damage to a player or planeswalker, put a +1/+1 counter on target creature you control.

{T}: Target creature you control gains menace until end of turn. If it already had menace, it gets +1/+0 until end of turn.

When Diago Maldovo enters, you may search your library for a card named Marie Laurent or Hans Nehmann and reveal that card. If you do, shuffle, then put the card on top of it.
Legendary Allies you control have trample.