Scab-Clan Mauler

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters with two +1/+1 counters on it.)
Trample

Schismotivate

Target creature gets +4/+0 until end of turn. Another target creature gets -4/-0 until end of turn.

Order of the Stars

Defender (This creature can't attack.)
As this creature enters, choose a color.
This creature has protection from the chosen color.

Skarrgan Skybreaker

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.)
{1}, Sacrifice this creature: It deals damage equal to its power to any target.

Souls of the Faultless

Defender (This creature can't attack.)
Whenever this creature is dealt combat damage, you gain that much life and attacking player loses that much life.

Stitch in Time

Flip a coin. If you win the flip, take an extra turn after this one.

Streetbreaker Wurm

Teysa, Orzhov Scion

Spirit

Sacrifice three white creatures: Exile target creature.
Whenever another black creature you control dies, create a 1/1 white Spirit creature token with flying.

Tibor and Lumia

Whenever you cast a blue spell, target creature gains flying until end of turn.
Whenever you cast a red spell, Tibor and Lumia deals 1 damage to each creature without flying.

Saproling

Ulasht, the Hate Seed

Ulasht enters with a +1/+1 counter on it for each other red creature you control and a +1/+1 counter on it for each other green creature you control.
{1}, Remove a +1/+1 counter from Ulasht: Choose one —
• Ulasht deals 1 damage to target creature.
• Create a 1/1 green Saproling creature token.

Wee Dragonauts

Flying
Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn.

Witch-Maw Nephilim

Whenever you cast a spell, you may put two +1/+1 counters on this creature.
Whenever this creature attacks, it gains trample until end of turn if its power is 10 or greater.

Wreak Havoc

This spell can't be countered.
Destroy target artifact or land.

Shadow Lance

Enchant creature
Enchanted creature has first strike.
{1}{B}: Enchanted creature gets +2/+2 until end of turn.

Yore-Tiller Nephilim

Whenever this creature attacks, return target creature card from your graveyard to the battlefield tapped and attacking.

Guildpact