Colossal Dreadmaw

Trample (This creature can deal excess combat damage to the player or planeswalker it’s attacking.)

Crested Herdcaller

Trample
When Crested Herdcaller enters the battlefield, create a 3/3 green Dinosaur creature token with trample.

Charging Tuskodon

Trample
If Charging Tuskodon would deal combat damage to a player, it deals double that damage to that player instead.

Super-Duper Death Ray

Trample (This spell can deal excess damage to its target’s controller.)
Super-Duper Death Ray deals 4 damage to target creature.

Hydradoodle

As Hydradoodle enters the battlefield, roll X six-sided dice. Hydradoodle enters the battlefield with a number of +1/+1 counters on it equal to the total of those results.
Reach, trample

Soul of the Harvest

Trample
Whenever another nontoken creature enters the battlefield under your control, you may draw a card.

Simic Sky Swallower

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

Abyssal Persecutor

Flying, trample
You can’t win the game and your opponents can’t lose the game.

Rampaging Baloths

Trample
Landfall — Whenever a land enters the battlefield under your control, you may create a 4/4 green Beast creature token.

Duskdale Wurm

Trample (This creature can deal excess combat damage to the player or planeswalker it’s attacking.)

Primeval Titan

Trample
Whenever Primeval Titan enters the battlefield or attacks, you may search your library for up to two land cards, put them onto the battlefield tapped, then shuffle your library.

Vorinclex, Voice of Hunger

Trample
Whenever you tap a land for mana, add one mana of any type that land produced.
Whenever an opponent taps a land for mana, that land doesn’t untap during its controller’s next untap step.

Crowned Ceratok

Trample
Each creature you control with a +1/+1 counter on it has trample.

Lord of the Pit

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can’t, Lord of the Pit deals 7 damage to you.

Colossal Dreadmaw

Trample (This creature can deal excess combat damage to the player or planeswalker it’s attacking.)

Gishath, Sun’s Avatar

Vigilance, trample, haste
Whenever Gishath, Sun’s Avatar deals combat damage to a player, reveal that many cards from the top of your library. Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order.