Festercreep

Festercreep enters with a +1/+1 counter on it.
, Remove a +1/+1 counter from Festercreep: All other creatures get -1/-1 until end of turn.

Lowland Oaf

: Target Goblin creature you control gets +1/+0 and gains flying until end of turn. Sacrifice that creature at the beginning of the next end step.

Dreamspoiler Witches

Flying
Whenever you cast a spell during an opponent’s turn, you may have target creature get -1/-1 until end of turn.

Aquitect’s Will

Put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. If you control a Merfolk, draw a card.

Midnight Ritual

Exile X target creature cards from your graveyard. For each creature card exiled this way, create a 2/2 black Zombie creature token.

Wurmcalling

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Create an X/X green Wurm creature token.

Conspiracy

As Conspiracy enters, choose a creature type.
Creatures you control are the chosen type. The same is true for creature spells you control and creature cards you own that aren’t on the battlefield.

Penumbra Spider

Reach
When Penumbra Spider dies, create a 2/4 black Spider creature token with reach.

Pulmonic Sliver

All Sliver creatures have flying.
All Slivers have “If this permanent would be put into a graveyard, you may put it on top of its owner’s library instead.”

Undertaker

, , Discard a card: Return target creature card from your graveyard to your hand.

Rimescale Dragon

Flying
: Tap target creature and put an ice counter on it. ( can be paid with one mana from a snow source.)
Creatures with ice counters on them don’t untap during their controllers’ untap steps.

White Shield Crusader

Protection from black
: White Shield Crusader gains flying until end of turn.
: White Shield Crusader gets +1/+0 until end of turn.

Enshrined Memories

Reveal the top X cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order.

Child of Thorns

Sacrifice Child of Thorns: Target creature gets +1/+1 until end of turn.

Gluetius Maximus

As Gluetius Maximus enters, an opponent chooses one of your fingers. (Thumbs are fingers, too.)
When the chosen finger isn’t touching Gluetius Maximus, sacrifice Gluetius Maximus.

Creature Guy

Gotcha — If an opponent says “creature” or “guy,” you may say “Gotcha!” When you do, return Creature Guy from your graveyard to your hand.

Cosmic Larva

Trample
At the beginning of your upkeep, sacrifice Cosmic Larva unless you sacrifice two lands.

Ferropede

Ferropede can’t be blocked.
Whenever Ferropede deals combat damage to a player, you may remove a counter from target permanent.

Arc-Slogger

, Exile the top ten cards of your library: Arc-Slogger deals 2 damage to any target.

Undead Gladiator

, Discard a card: Return Undead Gladiator from your graveyard to your hand. Activate only during your upkeep.
Cycling (, Discard this card: Draw a card.)

Syphon Mind

Each other player discards a card. You draw a card for each card discarded this way.