Havenwood Wurm

Flash (You may cast this spell any time you could cast an instant.)
Trample

Stonebrow, Krosan Hero

Trample
Whenever a creature you control with trample attacks, it gets +2/+2 until end of turn.

Liege of the Pit

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Liege of the Pit. If you can’t, Liege of the Pit deals 7 damage to you.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Earthen Goo

Trample
Cumulative upkeep or (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Earthen Goo gets +1/+1 for each age counter on it.

Wilderness Elemental

Trample
Wilderness Elemental’s power is equal to the number of nonbasic lands your opponents control.

Bull Aurochs

Trample
Whenever Bull Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Rimehorn Aurochs

Trample
Whenever Rimehorn Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.
: Target creature blocks target creature this turn if able. ( can be paid with one mana from a snow permanent.)

Lightning Serpent

Trample, haste
Lightning Serpent enters the battlefield with X +1/+0 counters on it.
At the beginning of the end step, sacrifice Lightning Serpent.

Panglacial Wurm

Trample
While you’re searching your library, you may cast Panglacial Wurm from your library.

Void Maw

Trample
If another creature would die, exile it instead.
Put a card exiled with Void Maw into its owner’s graveyard: Void Maw gets +2/+2 until end of turn.

Sheltering Ancient

Trample
Cumulative upkeep—Put a +1/+1 counter on a creature an opponent controls. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Arctic Nishoba

Trample
Cumulative upkeep or (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When Arctic Nishoba dies, you gain 2 life for each age counter on it.

Aurochs

Trample
Whenever Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Aurochs Herd

Trample
When Aurochs Herd enters the battlefield, you may search your library for an Aurochs card, reveal it, and put it into your hand. If you do, shuffle your library.
Whenever Aurochs Herd attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Jokulmorder

Trample
Jokulmorder enters the battlefield tapped.
When Jokulmorder enters the battlefield, sacrifice it unless you sacrifice five lands.
Jokulmorder doesn’t untap during your untap step.
Whenever you play an Island, you may untap Jokulmorder.

Dread Slag

Trample
Dread Slag gets -4/-4 for each card in your hand.

Simic Sky Swallower

Flying, trample
Shroud (This creature can’t be the target of spells or abilities.)

Rakdos the Defiler

Flying, trample
Whenever Rakdos the Defiler attacks, sacrifice half the non-Demon permanents you control, rounded up.
Whenever Rakdos deals combat damage to a player, that player sacrifices half the non-Demon permanents they control, rounded up.

Scab-Clan Mauler

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

Borborygmos

Trample
Whenever Borborygmos deals combat damage to a player, put a +1/+1 counter on each creature you control.

Giant Solifuge

( can be paid with either or .)
Trample; haste; shroud (This creature can’t be the target of spells or abilities.)

Arrogant Wurm

Trample
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Gleancrawler

( can be paid with either or .)
Trample
At the beginning of your end step, return to your hand all creature cards in your graveyard that were put there from the battlefield this turn.

Hunted Horror

Trample
When Hunted Horror enters the battlefield, target opponent creates two 3/3 green Centaur creature tokens with protection from black.