When Forerunner of the Legion enters the battlefield, you may search your library for a Vampire card, reveal it, then shuffle your library and put that card on top of it.
Whenever another Vampire enters the battlefield under your control, target creature gets +1/+1 until end of turn.

Menace (This creature can't be blocked except by two or more creatures.)

Put a -1/-1 counter on each of up to two target creatures.

Whenever Haazda Marshal and at least two other creatures attack, create a 1/1 white Soldier creature token with lifelink.

Whenever you cast a spell that targets Hero of the Games, creatures you control get +1/+0 until end of turn.

: Add .
, Exile a land card from your graveyard: Hostile Desert becomes a 3/4 Elemental creature until end of turn. It's still a land.

Destroy target creature.

Enchant creature
Enchanted creature has "At the beginning of your upkeep, sacrifice a creature."

Destroy target creature. You gain 3 life.

Destroy target creature. You may search your library and/or graveyard for a card named Liliana, Death Mage, reveal it, and put it into your hand. If you search your library this way, shuffle it.

Flash
When Liliana's Standard Bearer enters the battlefield, draw X cards, where X is the number of creatures that died under your control this turn.

When Maulfist Doorbuster enters the battlefield, you get (two energy counters).
Whenever Maulfist Doorbuster attacks, you may pay . If you do, target creature can't block this turn.

Lifelink
When Murderous Rider dies, put it on the bottom of its owner's library.

You may cast spells from your hand without paying their mana costs.

When Prosperous Pirates enters the battlefield, create two Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

Whenever a land card is put into your graveyard from anywhere, you gain 1 life.
: Mill a card.

Destroy target nonblack creature.
At the beginning of your next upkeep, pay . If you don't, you lose the game.

Equipped creature gets +3/+3.
Whenever equipped creature attacks, it doesn't untap during its controller's next untap step.
Whenever Stitcher's Graft becomes unattached from a permanent, sacrifice that permanent.
Equip

Destroy target creature or planeswalker. You lose 2 life. (Then exile this card. You may cast the creature later from exile.)

, : Tap target creature with power 4 or greater.
, : Syndicate Guildmage deals 2 damage to target opponent or planeswalker.