Whenever Sidisi, Brood Tyrant enters the battlefield or attacks, mill three cards.
Whenever one or more creature cards are put into your graveyard from your library, create a 2/2 black Zombie creature token.

Flying
You and Humans you control have hexproof.
, Exile a card from your graveyard: Create a 1/1 white Human Soldier creature token.

Flying, hexproof
Spells and abilities your opponents control can't cause you to sacrifice permanents.

Deathtouch
Whenever Silas Renn, Seeker Adept deals combat damage to a player, choose target artifact card in your graveyard. You may cast that card this turn.
Partner (You can have two commanders if both have partner.)

Partner with Trynn, Champion of Freedom (When this creature enters the battlefield, target player may put Trynn into their hand from their library, then shuffle.)
Menace
Sacrifice a Human: Put a +1/+1 counter on Silvar, Devourer of the Free. It gains indestructible until end of turn.

Devoid (This card has no color.)
Whenever a land enters the battlefield under an opponent's control, that player exiles the top two cards of their library and you draw two cards.

As an additional cost to cast this spell, exile three creature cards from your graveyard.
Flying
You may cast Skaab Ruinator from your graveyard.

Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.)
Flying
: Skarrgan Hellkite deals 2 damage divided as you choose among one or two targets. Activate this ability only if Skarrgan Hellkite has a +1/+1 counter on it.

Flying
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
: Skithiryx, the Blight Dragon gains haste until end of turn.
: Regenerate Skithiryx.

Flying
Whenever Skysovereign, Consul Flagship enters the battlefield or attacks, it deals 3 damage to target creature or planeswalker an opponent controls.
Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.)

Flash
When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Double strike
Whenever this creature mutates, it deals 4 damage to target creature or planeswalker an opponent controls and you gain 4 life.

Legendary Partner (You can have two commanders if this is one of them. The other one is promoted to legendary.)
Flying, vigilance
Teamwork—Whenever you attack or block with both Sol, Advocate Eternal and its partner, support 4 and investigate four times.

, Sacrifice a creature: Distribute the sacrificed creature's keyword abilities among any number of other target creatures until end of turn. If it's December, you gain 1 life for each of those keywords.

[+2]: Sorin Markov deals 2 damage to any target and you gain 2 life.
[−3]: Target opponent's life total becomes 10.
[−7]: You control target player during that player's next turn.

[+1]: Reveal the top card of your library and put that card into your hand. Each opponent loses life equal to its converted mana cost.
[−X]: Sorin, Grim Nemesis deals X damage to target creature or planeswalker and you gain X life.
[−9]: Create a number of 1/1 black Vampire Knight creature tokens with lifelink equal to the highest life total among all players.

[+1]: Target creature you control gains deathtouch and lifelink until end of turn. If it's a Vampire, put a +1/+1 counter on it.
[+1]: You may sacrifice a Vampire. When you do, Sorin, Imperious Bloodlord deals 3 damage to any target and you gain 3 life.
[−3]: You may put a Vampire creature card from your hand onto the battlefield.

[+1]: Create a 1/1 black Vampire creature token with lifelink.
[−2]: You get an emblem with "Creatures you control get +1/+0."
[−6]: Destroy up to three target creatures and/or other planeswalkers. Return each card put into a graveyard this way to the battlefield under your control.

[+1]: Until your next turn, creatures you control get +1/+0 and gain lifelink.
[−2]: Create a 2/2 black Vampire creature token with flying.
[−6]: You get an emblem with "At the beginning of each opponent's upkeep, that player sacrifices a creature."