Titanoth Rex

Trample
Cycling {1}{G} ({1}{G}, Discard this card: Draw a card.)
When you cycle this card, put a trample counter on target creature you control.

Anger

Haste
As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.

Coram, the Undertaker

Coram gets +X/+0, where X is the greatest power among creature cards in all graveyards.
Whenever Coram attacks, each player mills a card.
During each of your turns, you may play a land and cast a spell from among cards in graveyards that were put there from libraries this turn.

Lord of Extinction

Lord of Extinction's power and toughness are each equal to the number of cards in all graveyards.