Flash
This spell costs less to cast for each attacking creature.
Trample
When Ancient Stone Idol dies, create a 6/12 colorless Construct artifact creature token with trample.

When Apex Altisaur enters the battlefield, it fights up to one target creature you don't control.
Enrage — Whenever Apex Altisaur is dealt damage, it fights up to one target creature you don't control.

Cascade, cascade, cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order. Multiple instances of cascade each trigger separately.)

Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it.
As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.)
Whenever you cast a spell, you may remove a slumber counter from Arixmethes.
: Add .

When you cast this spell, you may return target creature card from your graveyard to the battlefield.
Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Trample

B.F.M. onto the battlefield. If one B.F.M. card
more creatures.

B.F.M. onto the battlefield. If one B.F.M. card
more creatures.

When Bearer of the Heavens dies, destroy all permanents at the beginning of the next end step.

Trample, infect, indestructible
If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.

All creatures able to block Breaker of Armies do so.

Flying, first strike, vigilance, lifelink
Your opponents can't cast spells with converted mana cost 3 or less.

Spells your opponents cast that target Charix, the Raging Isle cost more to cast.
: Charix gets +X/-X until end of turn, where X is the number of Islands you control.

Defender, indestructible
: Monstrosity 10. (If this creature isn't monstrous, put ten +1/+1 counters on it and it becomes monstrous.)
As long as Colossus of Akros is monstrous, it has trample and can attack as though it didn't have defender.

Trample, indestructible
If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead.

Death's Shadow gets -X/-X, where X is your life total.

When Denizen of the Deep enters the battlefield, return each other creature you control to its owner's hand.

When you cast this spell, create a 10/10 colorless Eldrazi creature token.

Trample
At the beginning of your upkeep, sacrifice a creature. You gain life equal to that creature's toughness.

This spell can't be countered.
When you cast this spell, take an extra turn after this one.
Flying, protection from colored spells, annihilator 6
When Emrakul, the Aeons Torn is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.