Thawing Glaciers

Lake of the Dead

Land

If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard.
: Add .
, Sacrifice a Swamp: Add .

Rainbow Vale

Land

: Add one mana of any color. An opponent gains control of Rainbow Vale at the beginning of the next end step.

Mishra's Factory

Land

: Add .
: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
: Target Assembly-Worker creature gets +1/+1 until end of turn.

Diamond Valley

Land

, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

Forest

Basic Land — Forest

(: Add .)

Island

Basic Land — Island

(: Add .)

Island of Wak-Wak

Land

: Target creature with flying has base power 0 until end of turn.

Mountain

Basic Land — Mountain

(: Add .)

Plains

Basic Land — Plains

(: Add .)

Swamp

Basic Land — Swamp

(: Add .)

Urza's Bauble

Artifact

, Sacrifice Urza's Bauble: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

Shield Sphere

Artifact Creature — Wall (0/6)

Defender
Whenever Shield Sphere blocks, put a -0/-1 counter on it.

Zuran Orb

Artifact

Sacrifice a land: You gain 2 life.

Polar Kraken

Creature — Kraken (11/11)

Trample
Polar Kraken enters the battlefield tapped.
Cumulative upkeep—Sacrifice a land. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Tawnos's Coffin

Artifact

You may choose not to untap Tawnos's Coffin during your untap step.
, : Exile target creature and all Auras attached to it. Note the number and kind of counters that were on that creature. When Tawnos's Coffin leaves the battlefield or becomes untapped, return that exiled card to the battlefield under its owner's control tapped with the noted number and kind of counters on it. If you do, return the other exiled cards to the battlefield under their owner's control attached to that permanent.

Nevinyrral's Disk

Artifact

Nevinyrral's Disk enters the battlefield tapped.
, : Destroy all artifacts, creatures, and enchantments.

Crookshank Kobolds

Creature — Kobold (0/1)

Ankh of Mishra

Artifact

Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.

Clockwork Beast

Artifact Creature — Beast (0/4)

Clockwork Beast enters the battlefield with seven +1/+0 counters on it.
At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1/+0 counter from it.
, : Put up to X +1/+0 counters on Clockwork Beast. This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven. Activate only during your upkeep.

Cursed Rack

Artifact

As Cursed Rack enters the battlefield, choose an opponent.
The chosen player's maximum hand size is four.