Polar Kraken

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.)

Nevinyrral’s Disk

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

Doubling Cube

, : Double the amount of each type of unspent mana you have.

Skyshroud Ranger

: You may put a land card from your hand onto the battlefield. Activate this ability only any time you could cast a sorcery.

Rootwater Commando

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

Rootwater Commando

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)

Scalpelexis

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Whenever Scalpelexis deals combat damage to a player, that player exiles the top four cards of their library. If two or more of those cards have the same name, repeat this process.

Phyrexian Rager

When Phyrexian Rager enters the battlefield, you draw a card and you lose 1 life.

Scalpelexis

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Whenever Scalpelexis deals combat damage to a player, that player exiles the top four cards of their library. If two or more of those cards have the same name, repeat this process.

Fungal Behemoth

Fungal Behemoth’s power and toughness are each equal to the number of +1/+1 counters on creatures you control.
Suspend X—. X can’t be 0. (Rather than cast this card from your hand, you may pay and exile it with X time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)
Whenever a time counter is removed from Fungal Behemoth while it’s exiled, you may put a +1/+1 counter on target creature.

Urza’s Factory

: Add .
, : Create a 2/2 colorless Assembly-Worker artifact creature token.

Browbeat

Any player may have Browbeat deal 5 damage to them. If no one does, target player draws three cards.

Endrek Sahr, Master Breeder

Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell’s converted mana cost.
When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder.

Tectonic Fiend

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
Tectonic Fiend attacks each combat if able.

Draining Whelk

Flash (You may cast this spell any time you could cast an instant.)
Flying
When Draining Whelk enters the battlefield, counter target spell. Put X +1/+1 counters on Draining Whelk, where X is that spell’s converted mana cost.

Leviathan

Trample
Leviathan enters the battlefield tapped and doesn’t untap during your untap step.
At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan.
Leviathan can’t attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)

Urza’s Factory

: Add .
, : Create a 2/2 colorless Assembly-Worker artifact creature token.

Feldon’s Cane

, Exile Feldon’s Cane: Shuffle your graveyard into your library.

Mindstab

Target player discards three cards.
Suspend 4— (Rather than cast this card from your hand, you may pay and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Cyclopean Giant

When Cyclopean Giant dies, target land becomes a Swamp. Exile Cyclopean Giant.

Death Spark

Death Spark deals 1 damage to any target.
At the beginning of your upkeep, if Death Spark is in your graveyard with a creature card directly above it, you may pay . If you do, return Death Spark to your hand.

Experiment Kraj

Experiment Kraj has all activated abilities of each other creature with a +1/+1 counter on it.
: Put a +1/+1 counter on target creature.

Celestial Ancient

Flying
Whenever you cast an enchantment spell, put a +1/+1 counter on each creature you control.