Johtull Wurm

Whenever Johtull Wurm becomes blocked, it gets -2/-1 until end of turn for each creature blocking it beyond the first.

Goblin Matron

When Goblin Matron enters the battlefield, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle your library.

Chub Toad

Whenever Chub Toad blocks or becomes blocked, it gets +2/+2 until end of turn.

Goblin Wizard

: You may put a Goblin permanent card from your hand onto the battlefield.
: Target Goblin gains protection from white until end of turn.

Thrull Champion

Thrull creatures get +1/+1.
: Gain control of target Thrull for as long as you control Thrull Champion.

Telekinesis

Tap target creature. Prevent all combat damage that would be dealt by that creature this turn. It doesn’t untap during its controller’s next two untap steps.

Goblin Mutant

Trample
Goblin Mutant can’t attack if defending player controls an untapped creature with power 3 or greater.
Goblin Mutant can’t block creatures with power 3 or greater.

Candles of Leng

, : Reveal the top card of your library. If it has the same name as a card in your graveyard, put it into your graveyard. Otherwise, draw a card.

Fungus Sliver

All Sliver creatures have “Whenever this creature is dealt damage, put a +1/+1 counter on it.” (The damage is dealt before the counter is put on.)

Mana Skimmer

Flying
Whenever Mana Skimmer deals damage to a player, tap target land that player controls. That land doesn’t untap during its controller’s next untap step.

Uncle Istvan

Prevent all damage that would be dealt to Uncle Istvan by creatures.

Goblin Snowman

Whenever Goblin Snowman blocks, prevent all combat damage that would be dealt to and dealt by it this turn.
: Goblin Snowman deals 1 damage to target creature it’s blocking.

Orgg

Trample
Orgg can’t attack if defending player controls an untapped creature with power 3 or greater.
Orgg can’t block creatures with power 3 or greater.

Sea Monster

Sea Monster can’t attack unless defending player controls an Island.

Letter Bomb

When Letter Bomb enters the battlefield, sign it and shuffle it into target player’s library. That player reveals each card they draw until they draw Letter Bomb. When that player draws Letter Bomb, it deals 19½ damage to them.

Letter Bomb

When Letter Bomb enters the battlefield, sign it and shuffle it into target player’s library. That player reveals each card they draw until they draw Letter Bomb. When that player draws Letter Bomb, it deals 19½ damage to them.

Sea Monster

Sea Monster can’t attack unless defending player controls an Island.

Goblin Mutant

Trample
Goblin Mutant can’t attack if defending player controls an untapped creature with power 3 or greater.
Goblin Mutant can’t block creatures with power 3 or greater.

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything black.)

Goblin Mutant

Trample
Goblin Mutant can’t attack if defending player controls an untapped creature with power 3 or greater.
Goblin Mutant can’t block creatures with power 3 or greater.

Woolly Spider

Reach (This creature can block creatures with flying.)
Whenever Woolly Spider blocks a creature with flying, Woolly Spider gets +0/+2 until end of turn.

Woolly Spider

Reach (This creature can block creatures with flying.)
Whenever Woolly Spider blocks a creature with flying, Woolly Spider gets +0/+2 until end of turn.

Spike Worker

Spike Worker enters the battlefield with two +1/+1 counters on it.
, Remove a +1/+1 counter from Spike Worker: Put a +1/+1 counter on target creature.