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 .

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

more creatures.

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.

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.

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

This spell costs less to cast for each card type among cards in your graveyard.

When you cast this spell, you gain control of target opponent during that player's next turn. After that turn, that player takes an extra turn.

Flying, trample, protection from instants

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.)

Indestructible

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.

When you cast this spell, draw four cards.

Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)

When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

At the beginning of your upkeep, sacrifice Krosan Cloudscraper unless you pay .

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Trample

When Phyrexian Dreadnought enters the battlefield, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent.)

: Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add ."

0: Cast any number of Eldrazi spells from among cards you own outside the game without paying their mana costs.

Defender

: Exchange target opponent's life total with Tree of Perdition's toughness.

Flying, intimidate, trample (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a player loses the game, put thirteen +1/+1 counters on Withengar Unbound.