Zerg Mutate (Sacrifice this creature: Create a token that's a copy of target Zerg you control, the token enters the battlefield face down as a 0/3 Zerg Cocoon, creature, turn that token face up at the beggining of your next unkeep.)

{T}: Add one mana of any color, spend this mana only to cast Zerg spells.

Sacrifice this creature: Reveal cards fron the top of your library until you reveal a Zerg creature card that costs more, put that card into the battlefield face down as a 0/3 creature. Turn that card face up as a sorcery by paying it's cost. Activate only as a sorcery.

(This card is every creature type.)

Creatures you control with changeling have all activated abilities among creatures you control.

{W}{U}{B}{R}{G}: For each non-shapeshifter creature you control, create a 1/1 shapeshifter creature token with changeling.

+1: Put a +1/+1 counter on each Sliver you control.

-3: Search your library for a Sliver card and put it into your hand. Then shuffle your library.

-7: Draw a card for each Sliver you control, then put into the battlefield all Sliver creature cards in your hand.

: Freyalise, Sliver Matriarch can be your commander

Zerg morph (Sacrifice this creature: create a token that's a copy of target Zerg you control face down as a 0/3 Zerg creature with defender. Turn it face up at the beggining of your next turn.)

Swarm — {T}: Add one mana of any color for each Zerg Drone you control, spend this mana only to cast Zerg spells.

Changeling

Whenever another shapeshifter enters the battlefield under your control, you may search your library for a creature card with equal mana value an exile it. If you do, that shapeshifter becomes a copy of the exiled card except it has all its previous abilities and its a shapeshifter in addition to its other types.

: The Dungeon Master can be your commander.

-7: You get an adventuring party. (Your party is a 3/3 red Fighter with first strike, a 1/1 white Cleric with lifelink, a 2/2 black Rogue with hexproof, and a 1/1 blue Wizard with flying.)

0: For each party member you control, venture into the dungeon and put a loyalty counter on The Dungeon Master.

-1: Reroll target dice. Activate this ability any time you could cast and instant and as many times as you choose on your turn.

{1}{R} ({1}{R}: Put a level counter on this. Level up only as a sorcery.)

Zergs you control get +1/+0.

Level 2: Zergs you control get +2/+0.

Level 3: Zergs you control get +3/+0.

Level 4: Zergs you control get +3/+0 and gain Melee.

Flying

Summon the swarm — When Sarah Kerrigan, Queen of Blades attacks, shuflle all zerg creature cards in your graveyard into your library. Then for each non-token zerg you control, exile cards from the top of your library until you reveal a zerg creature card thet costs less, you may cast that card this turn. Put the rest at the bottom of your library in a random order.

Multiply — {2}{G}{R}, {T}: For each other non-token zerg you control, create a token that's a copy of it.

Consume — Zergs you control have "{1}{B}: Exile a non-zerg creature from any graveyard that was put there from the battlefield this turn, put X +1/+1 counter on all creatures with the same name where X is it's mana value"

Evolve —

: The Overmind can be your commander.

+1: Consume — Exile a non-zerg creature card from a graveyard, divide X +1/+1 counters among any number of zerg creatures you control, where X is the exiled card's converted mana cost.

-2: Multiply — For each non-token zerg creature you control, create a token that's a copy of it.

-6: Evolve — Sacrifice any number of Zerg creatures, for each creature sacrificed this way, search your library for a zerg creature card with a converted mana cost equal to 1 plus the sacrificed creature's power, put that card onto the battlefield. Then shuffle your library.

Equipped creature has haste.

Reconfigure fragment {1}{R} ({1}{R}: Attach to target fragment you control; or unattach from a fragment. Reconfigure only as a sorcery. While attached this isn't a creature.)

Zerg Morph (At any time, you may sacrifice this creature, if you do, create a token that's a copy of target Zerg creature you control face down as a 0/3 green Zerg Cocoon creature with defender, turn it face up at any time by paying it's cost)

Shroud

Whenever an opponent mills a card, that pkater loses 1 life and you may draw a card.

Whenever the emperor deals damage to a player, tgat pkayer mills that many cards instead.