As an additional cost to cast this spell, discard X cards.

Sickening Dreams deals X damage to each creature and each player.

Flying, first strike, vigilance, lifelink, protection from red and from green

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

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.

{B}: Regenerate Twisted Abomination.

Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

Discard two cards: Create a 2/2 black Zombie creature token.