Trample
: Regenerate Silvos, Rogue Elemental.

Trample
Bloodrush — , Discard Skarrg Goliath: Target attacking creature gets +9/+9 and gains trample until end of turn.

Flying
When Sky Swallower enters the battlefield, target opponent gains control of all other permanents you control.

Fading 2 (This creature enters the battlefield with two fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)
Skyshroud Behemoth enters the battlefield tapped.

Kicker (You may pay an additional as you cast this spell.)
When Slinn Voda, the Rising Deep enters the battlefield, if it was kicked, return all creatures to their owners' hands except for Merfolk, Krakens, Leviathans, Octopuses, and Serpents.

Eldrazi you control are Slivers in addition to their other types.
Slivers you control have devoid and annihilator 1.
: Create a 1/1 colorless Eldrazi Sliver creature token. It has "Sacrifice this creature: Add ."

Trample
Whenever Spectral Force attacks, if defending player controls no black permanents, it doesn't untap during your next untap step.

Trample, indestructible
Whenever another creature you control attacks, it gains trample and indestructible until end of turn.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
All lands are Islands in addition to their other types.
Creatures without flying or islandwalk can't attack.

Flying
Champion an Elemental (When this enters the battlefield, sacrifice it unless you exile another Elemental you control. When this leaves the battlefield, that card returns to the battlefield.)

Haste
Whenever Tectonic Hellion attacks, each player who controls the most lands sacrifices two lands.

When Terastodon enters the battlefield, you may destroy up to three target noncreature permanents. For each permanent put into a graveyard this way, its controller creates a 3/3 green Elephant creature token.

This spell can't be countered.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield, other Dragon spells you cast cost less to cast.
Flying
Whenever one or more Dragons you control attack, draw that many cards, then you may put a permanent card from your hand onto the battlefield.

Whenever Thing from the Deep attacks, sacrifice it unless you sacrifice an Island.

Trample
Cycling (, Discard this card: Draw a card.)
When you cycle Titanoth Rex, put a trample counter on target creature you control.

All creatures able to block Treeshaker Chimera do so.
When Treeshaker Chimera dies, draw three cards.

Tromokratis has hexproof unless it's attacking or blocking.
Tromokratis can't be blocked unless all creatures defending player controls block it. (If any creature that player controls doesn't block this creature, it can't be blocked.)

Trample
When Uktabi Kong enters the battlefield, destroy all artifacts.
Tap two untapped Apes you control: Create a 1/1 green Ape creature token.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)
Ulamog's Crusher attacks each combat if able.