White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything black.)

Benalish Knight

Flash (You may cast this spell any time you could cast an instant.)
First strike (This creature deals combat damage before creatures without first strike.)

Black Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything white.)

Mirri, Cat Warrior

First strike, forestwalk, vigilance (This creature deals combat damage before creatures without first strike, it can’t be blocked as long as defending player controls a Forest, and attacking doesn’t cause this creature to tap.)

Pegasus Charger

Flying (This creature can’t be blocked except by creatures with flying or reach.)
First strike (This creature deals combat damage before creatures without first strike.)

Shivan Raptor

First strike, haste
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.)

Pegasus Charger

Flying (This creature can’t be blocked except by creatures with flying or reach.)
First strike (This creature deals combat damage before creatures without first strike.)

Shimmering Barrier

Defender (This creature can’t attack.)
First strike
Cycling (, Discard this card: Draw a card.)

Paladin en-Vec

First strike, protection from black and from red (This creature deals combat damage before creatures without first strike. It can’t be blocked, targeted, dealt damage, or enchanted by anything black or red.)

Nekrataal

First strike
When Nekrataal enters the battlefield, destroy target nonartifact, nonblack creature. That creature can’t be regenerated.

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything black.)

Miss Demeanor

Flying, first strike
At the beginning of each other player’s upkeep, you may compliment that player on their game play. If you don’t, sacrifice Miss Demeanor.

Infernal Spawn of Evil

Flying, first strike
, Reveal Infernal Spawn of Evil from your hand, Say “It’s coming!”: Infernal Spawn of Evil deals 1 damage to target opponent or planeswalker. Activate this ability only during your upkeep and only once each turn.

Mirri, Cat Warrior

First strike, forestwalk, vigilance (This creature deals combat damage before creatures without first strike, it can’t be blocked as long as defending player controls a Forest, and attacking doesn’t cause this creature to tap.)

Pit Spawn

First strike
At the beginning of your upkeep, sacrifice Pit Spawn unless you pay .
Whenever Pit Spawn deals damage to a creature, exile that creature.

Wall of Razors

Defender (This creature can’t attack.)
First strike

Phyrexian Splicer

, , Choose flying, first strike, trample, or shadow: Until end of turn, target creature with the chosen ability loses it and another target creature gains it.