Whenever Lorthos, the Tidemaker attacks, you may pay . If you do, tap up to eight target permanents. Those permanents don't untap during their controllers' next untap steps.

When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn.
Whenever a creature an opponent controls dies, that player loses 2 life.

Whenever Murasa Pyromancer or another Ally enters the battlefield under your control, you may have Murasa Pyromancer deal damage to target creature equal to the number of Allies you control.

Metalcraft — Razorfield Rhino gets +2/+2 as long as you control three or more artifacts.

Flying, first strike, vigilance

Flying
When Sphinx of Uthuun enters the battlefield, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Teetering Peaks enters the battlefield tapped.
When Teetering Peaks enters the battlefield, target creature gets +2/+0 until end of turn.
: Add .

: Teeterpeak Ambusher gets +2/+0 until end of turn.

Each creature you control with a level counter on it gets +2/+2.

Players play with the top card of their libraries revealed.
You may play lands and cast spells from the top of any player's library.
Whenever you roll {CHAOS}, each player mills a card.